<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with Wdesk from Workiva-->
<!--Copyright 2020 Workiva-->
<!--r:69115e9b-c703-4fdc-8538-897516a2f462,g:96d1ebe3-488f-4c1d-bc1f-77c968fe31e4-->
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:ueic="http://www.uei.com/20200930" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:num="http://www.xbrl.org/dtr/type/numeric" attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://www.uei.com/20200930">
  <xs:import namespace="http://fasb.org/srt/2020-01-31" schemaLocation="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd"/>
  <xs:import namespace="http://fasb.org/us-gaap/2020-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd"/>
  <xs:import namespace="http://www.w3.org/1999/xlink" schemaLocation="http://www.xbrl.org/2003/xlink-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/dtr/type/non-numeric" schemaLocation="http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd"/>
  <xs:import namespace="http://www.xbrl.org/dtr/type/numeric" schemaLocation="http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd"/>
  <xs:import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/country/2020-01-31" schemaLocation="https://xbrl.sec.gov/country/2020/country-2020-01-31.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/currency/2020-01-31" schemaLocation="https://xbrl.sec.gov/currency/2020/currency-2020-01-31.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/dei/2020-01-31" schemaLocation="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd"/>
  <xs:annotation>
    <xs:appinfo>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="ueic-20200930_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="ueic-20200930_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="ueic-20200930_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="ueic-20200930_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:type="simple"/>
      <link:roleType id="CoverPage" roleURI="http://www.uei.com/role/CoverPage">
        <link:definition>0001001 - Document - Cover Page</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONSOLIDATEDBALANCESHEETS" roleURI="http://www.uei.com/role/CONSOLIDATEDBALANCESHEETS">
        <link:definition>1001002 - Statement - CONSOLIDATED BALANCE SHEETS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONSOLIDATEDBALANCESHEETSParenthetical" roleURI="http://www.uei.com/role/CONSOLIDATEDBALANCESHEETSParenthetical">
        <link:definition>1002003 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONSOLIDATEDSTATEMENTSOFOPERATIONS" roleURI="http://www.uei.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS">
        <link:definition>1003004 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONSOLIDATEDCOMPREHENSIVEINCOMELOSSSTATEMENTS" roleURI="http://www.uei.com/role/CONSOLIDATEDCOMPREHENSIVEINCOMELOSSSTATEMENTS">
        <link:definition>1004005 - Statement - CONSOLIDATED COMPREHENSIVE INCOME (LOSS) STATEMENTS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY" roleURI="http://www.uei.com/role/CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY">
        <link:definition>1005006 - Statement - CONSOLIDATED STATEMENTS OF STOCKHOLDERS&#8217; EQUITY</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONSOLIDATEDSTATEMENTSOFCASHFLOWS" roleURI="http://www.uei.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS">
        <link:definition>1006007 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BasisofPresentation" roleURI="http://www.uei.com/role/BasisofPresentation">
        <link:definition>2101101 - Disclosure - Basis of Presentation</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BasisofPresentationPolicies" roleURI="http://www.uei.com/role/BasisofPresentationPolicies">
        <link:definition>2202201 - Disclosure - Basis of Presentation (Policies)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CashandCashEquivalents" roleURI="http://www.uei.com/role/CashandCashEquivalents">
        <link:definition>2103102 - Disclosure - Cash and Cash Equivalents</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CashandCashEquivalentsTables" roleURI="http://www.uei.com/role/CashandCashEquivalentsTables">
        <link:definition>2304301 - Disclosure - Cash and Cash Equivalents (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CashandCashEquivalentsDetails" roleURI="http://www.uei.com/role/CashandCashEquivalentsDetails">
        <link:definition>2405401 - Disclosure - Cash and Cash Equivalents (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RevenueandAccountsReceivableNet" roleURI="http://www.uei.com/role/RevenueandAccountsReceivableNet">
        <link:definition>2106103 - Disclosure - Revenue and Accounts Receivable, Net</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RevenueandAccountsReceivableNetTables" roleURI="http://www.uei.com/role/RevenueandAccountsReceivableNetTables">
        <link:definition>2307302 - Disclosure - Revenue and Accounts Receivable, Net (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RevenueandAccountsReceivableNetPatternofRevenueRecognitionDetails" roleURI="http://www.uei.com/role/RevenueandAccountsReceivableNetPatternofRevenueRecognitionDetails">
        <link:definition>2408402 - Disclosure - Revenue and Accounts Receivable, Net - Pattern of Revenue Recognition (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RevenueandAccountsReceivableNetRevenuefromExternalCustomersbyGeographicAreasDetails" roleURI="http://www.uei.com/role/RevenueandAccountsReceivableNetRevenuefromExternalCustomersbyGeographicAreasDetails">
        <link:definition>2409403 - Disclosure - Revenue and Accounts Receivable, Net - Revenue from External Customers by Geographic Areas (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RevenueandAccountsReceivableNetNetSalestoSignificantCustomersDetails" roleURI="http://www.uei.com/role/RevenueandAccountsReceivableNetNetSalestoSignificantCustomersDetails">
        <link:definition>2410404 - Disclosure - Revenue and Accounts Receivable, Net - Net Sales to Significant Customers (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RevenueandAccountsReceivableNetAccountsReceivableNetDetails" roleURI="http://www.uei.com/role/RevenueandAccountsReceivableNetAccountsReceivableNetDetails">
        <link:definition>2411405 - Disclosure - Revenue and Accounts Receivable, Net - Accounts Receivable, Net (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RevenueandAccountsReceivableNetAllowanceforDoubtfulAccountsDetails" roleURI="http://www.uei.com/role/RevenueandAccountsReceivableNetAllowanceforDoubtfulAccountsDetails">
        <link:definition>2412406 - Disclosure - Revenue and Accounts Receivable, Net - Allowance for Doubtful Accounts (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RevenueandAccountsReceivableNetTradeReceivablesAssociatedwithSignificantCustomersDetails" roleURI="http://www.uei.com/role/RevenueandAccountsReceivableNetTradeReceivablesAssociatedwithSignificantCustomersDetails">
        <link:definition>2413407 - Disclosure - Revenue and Accounts Receivable, Net - Trade Receivables Associated with Significant Customers (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InventoriesandSignificantSuppliers" roleURI="http://www.uei.com/role/InventoriesandSignificantSuppliers">
        <link:definition>2114104 - Disclosure - Inventories and Significant Suppliers</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InventoriesandSignificantSuppliersTables" roleURI="http://www.uei.com/role/InventoriesandSignificantSuppliersTables">
        <link:definition>2315303 - Disclosure - Inventories and Significant Suppliers (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InventoriesandSignificantSuppliersSummaryofInventoriesDetails" roleURI="http://www.uei.com/role/InventoriesandSignificantSuppliersSummaryofInventoriesDetails">
        <link:definition>2416408 - Disclosure - Inventories and Significant Suppliers - Summary of Inventories (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InventoriesandSignificantSuppliersPurchasesfromSignificantSuppliersDetails" roleURI="http://www.uei.com/role/InventoriesandSignificantSuppliersPurchasesfromSignificantSuppliersDetails">
        <link:definition>2417409 - Disclosure - Inventories and Significant Suppliers - Purchases from Significant Suppliers (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Leases" roleURI="http://www.uei.com/role/Leases">
        <link:definition>2118105 - Disclosure - Leases</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesTables" roleURI="http://www.uei.com/role/LeasesTables">
        <link:definition>2319304 - Disclosure - Leases (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesNarrativeDetails" roleURI="http://www.uei.com/role/LeasesNarrativeDetails">
        <link:definition>2420410 - Disclosure - Leases - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesLeaseBalanceswithintheConsolidatedBalanceSheetDetails" roleURI="http://www.uei.com/role/LeasesLeaseBalanceswithintheConsolidatedBalanceSheetDetails">
        <link:definition>2421411 - Disclosure - Leases - Lease Balances within the Consolidated Balance Sheet (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesOperatingLeaseExpenseOperatingLeaseCashFlowsandSupplementalCashFlowInformationDetails" roleURI="http://www.uei.com/role/LeasesOperatingLeaseExpenseOperatingLeaseCashFlowsandSupplementalCashFlowInformationDetails">
        <link:definition>2422412 - Disclosure - Leases - Operating Lease Expense, Operating Lease Cash Flows and Supplemental Cash Flow Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesLeaseTermsandDiscountRatesDetails" roleURI="http://www.uei.com/role/LeasesLeaseTermsandDiscountRatesDetails">
        <link:definition>2423413 - Disclosure - Leases - Lease Terms and Discount Rates (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesReconciliationoftheUndiscountedCashFlowsforEachoftheFirstFiveYearsandThereaftertoOperatingLeaseLiabilitiesDetails" roleURI="http://www.uei.com/role/LeasesReconciliationoftheUndiscountedCashFlowsforEachoftheFirstFiveYearsandThereaftertoOperatingLeaseLiabilitiesDetails">
        <link:definition>2424414 - Disclosure - Leases - Reconciliation of the Undiscounted Cash Flows for Each of the First Five Years and Thereafter to Operating Lease Liabilities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesReconciliationoftheUndiscountedCashFlowsforEachoftheFirstFiveYearsandThereaftertoOperatingLeaseLiabilitiesDetails_1" roleURI="http://www.uei.com/role/LeasesReconciliationoftheUndiscountedCashFlowsforEachoftheFirstFiveYearsandThereaftertoOperatingLeaseLiabilitiesDetails_1">
        <link:definition>2424414 - Disclosure - Leases - Reconciliation of the Undiscounted Cash Flows for Each of the First Five Years and Thereafter to Operating Lease Liabilities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GoodwillandIntangibleAssetsNet" roleURI="http://www.uei.com/role/GoodwillandIntangibleAssetsNet">
        <link:definition>2125106 - Disclosure - Goodwill and Intangible Assets, Net</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GoodwillandIntangibleAssetsNetTables" roleURI="http://www.uei.com/role/GoodwillandIntangibleAssetsNetTables">
        <link:definition>2326305 - Disclosure - Goodwill and Intangible Assets, Net (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GoodwillandIntangibleAssetsNetChangesintheCarryingAmountofGoodwillDetails" roleURI="http://www.uei.com/role/GoodwillandIntangibleAssetsNetChangesintheCarryingAmountofGoodwillDetails">
        <link:definition>2427415 - Disclosure - Goodwill and Intangible Assets, Net - Changes in the Carrying Amount of Goodwill (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GoodwillandIntangibleAssetsNetComponentsofIntangibleAssetsDetails" roleURI="http://www.uei.com/role/GoodwillandIntangibleAssetsNetComponentsofIntangibleAssetsDetails">
        <link:definition>2428416 - Disclosure - Goodwill and Intangible Assets, Net - Components of Intangible Assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GoodwillandIntangibleAssetsNetNarrativeDetails" roleURI="http://www.uei.com/role/GoodwillandIntangibleAssetsNetNarrativeDetails">
        <link:definition>2429417 - Disclosure - Goodwill and Intangible Assets, Net - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GoodwillandIntangibleAssetsNetEstimatedFutureAnnualAmortizationExpenseRelatedtoIntangibleAssetsDetails" roleURI="http://www.uei.com/role/GoodwillandIntangibleAssetsNetEstimatedFutureAnnualAmortizationExpenseRelatedtoIntangibleAssetsDetails">
        <link:definition>2430418 - Disclosure - Goodwill and Intangible Assets, Net - Estimated Future Annual Amortization Expense Related to Intangible Assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LineofCredit" roleURI="http://www.uei.com/role/LineofCredit">
        <link:definition>2131107 - Disclosure - Line of Credit</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LineofCreditDetails" roleURI="http://www.uei.com/role/LineofCreditDetails">
        <link:definition>2432419 - Disclosure - Line of Credit (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxes" roleURI="http://www.uei.com/role/IncomeTaxes">
        <link:definition>2133108 - Disclosure - Income Taxes</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesDetails" roleURI="http://www.uei.com/role/IncomeTaxesDetails">
        <link:definition>2434420 - Disclosure - Income Taxes (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AccruedCompensation" roleURI="http://www.uei.com/role/AccruedCompensation">
        <link:definition>2135109 - Disclosure - Accrued Compensation</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AccruedCompensationTables" roleURI="http://www.uei.com/role/AccruedCompensationTables">
        <link:definition>2336306 - Disclosure - Accrued Compensation (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AccruedCompensationNarrativeDetails" roleURI="http://www.uei.com/role/AccruedCompensationNarrativeDetails">
        <link:definition>2437421 - Disclosure - Accrued Compensation - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AccruedCompensationDetails" roleURI="http://www.uei.com/role/AccruedCompensationDetails">
        <link:definition>2438422 - Disclosure - Accrued Compensation (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OtherAccruedLiabilities" roleURI="http://www.uei.com/role/OtherAccruedLiabilities">
        <link:definition>2139110 - Disclosure - Other Accrued Liabilities</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OtherAccruedLiabilitiesTables" roleURI="http://www.uei.com/role/OtherAccruedLiabilitiesTables">
        <link:definition>2340307 - Disclosure - Other Accrued Liabilities (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OtherAccruedLiabilitiesDetails" roleURI="http://www.uei.com/role/OtherAccruedLiabilitiesDetails">
        <link:definition>2441423 - Disclosure - Other Accrued Liabilities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsandContingencies" roleURI="http://www.uei.com/role/CommitmentsandContingencies">
        <link:definition>2142111 - Disclosure - Commitments and Contingencies</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsandContingenciesTables" roleURI="http://www.uei.com/role/CommitmentsandContingenciesTables">
        <link:definition>2343308 - Disclosure - Commitments and Contingencies (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsandContingenciesChangesintheLiabilityforProductWarrantyClaimCostsDetails" roleURI="http://www.uei.com/role/CommitmentsandContingenciesChangesintheLiabilityforProductWarrantyClaimCostsDetails">
        <link:definition>2444424 - Disclosure - Commitments and Contingencies - Changes in the Liability for Product Warranty Claim Costs (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsandContingenciesNarrativeDetails" roleURI="http://www.uei.com/role/CommitmentsandContingenciesNarrativeDetails">
        <link:definition>2445425 - Disclosure - Commitments and Contingencies - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="TreasuryStock" roleURI="http://www.uei.com/role/TreasuryStock">
        <link:definition>2146112 - Disclosure - Treasury Stock</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="TreasuryStockTables" roleURI="http://www.uei.com/role/TreasuryStockTables">
        <link:definition>2347309 - Disclosure - Treasury Stock (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="TreasuryStockNarrativeDetails" roleURI="http://www.uei.com/role/TreasuryStockNarrativeDetails">
        <link:definition>2448426 - Disclosure - Treasury Stock - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="TreasuryStockRepurchasedSharesofCommonStockDetails" roleURI="http://www.uei.com/role/TreasuryStockRepurchasedSharesofCommonStockDetails">
        <link:definition>2449427 - Disclosure - Treasury Stock - Repurchased Shares of Common Stock (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LonglivedTangibleAssets" roleURI="http://www.uei.com/role/LonglivedTangibleAssets">
        <link:definition>2150113 - Disclosure - Long-lived Tangible Assets</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LonglivedTangibleAssetsTables" roleURI="http://www.uei.com/role/LonglivedTangibleAssetsTables">
        <link:definition>2351310 - Disclosure - Long-lived Tangible Assets (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LonglivedTangibleAssetsLongLivedTangibleAssetsbyGeographicAreaDetails" roleURI="http://www.uei.com/role/LonglivedTangibleAssetsLongLivedTangibleAssetsbyGeographicAreaDetails">
        <link:definition>2452428 - Disclosure - Long-lived Tangible Assets - Long-Lived Tangible Assets by Geographic Area (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensation" roleURI="http://www.uei.com/role/StockBasedCompensation">
        <link:definition>2153114 - Disclosure - Stock-Based Compensation</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensationTables" roleURI="http://www.uei.com/role/StockBasedCompensationTables">
        <link:definition>2354311 - Disclosure - Stock-Based Compensation (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensationStockbasedCompensationExpenseandRelatedIncomeTaxBenefitDetails" roleURI="http://www.uei.com/role/StockBasedCompensationStockbasedCompensationExpenseandRelatedIncomeTaxBenefitDetails">
        <link:definition>2455429 - Disclosure - Stock-Based Compensation - Stock-based Compensation Expense and Related Income Tax Benefit (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensationStockOptionActivityDetails" roleURI="http://www.uei.com/role/StockBasedCompensationStockOptionActivityDetails">
        <link:definition>2456430 - Disclosure - Stock-Based Compensation - Stock Option Activity (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensationAssumptionsUsedinValuationandWeightedAverageFairValueofStockOptionGrantsDetails" roleURI="http://www.uei.com/role/StockBasedCompensationAssumptionsUsedinValuationandWeightedAverageFairValueofStockOptionGrantsDetails">
        <link:definition>2457431 - Disclosure - Stock-Based Compensation - Assumptions Used in Valuation and Weighted Average Fair Value of Stock Option Grants (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensationNarrativeDetails" roleURI="http://www.uei.com/role/StockBasedCompensationNarrativeDetails">
        <link:definition>2458432 - Disclosure - Stock-Based Compensation - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensationNonVestedRestrictedStockAwardActivityDetails" roleURI="http://www.uei.com/role/StockBasedCompensationNonVestedRestrictedStockAwardActivityDetails">
        <link:definition>2459433 - Disclosure - Stock-Based Compensation - Non-Vested Restricted Stock Award Activity (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PerformanceBasedCommonStockWarrants" roleURI="http://www.uei.com/role/PerformanceBasedCommonStockWarrants">
        <link:definition>2160115 - Disclosure - Performance-Based Common Stock Warrants</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PerformanceBasedCommonStockWarrantsTables" roleURI="http://www.uei.com/role/PerformanceBasedCommonStockWarrantsTables">
        <link:definition>2361312 - Disclosure - Performance-Based Common Stock Warrants (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PerformanceBasedCommonStockWarrantsNarrativeDetails" roleURI="http://www.uei.com/role/PerformanceBasedCommonStockWarrantsNarrativeDetails">
        <link:definition>2462434 - Disclosure - Performance-Based Common Stock Warrants - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PerformanceBasedCommonStockWarrantsPurchaseLevelandNumberofWarrantstoVestDetails" roleURI="http://www.uei.com/role/PerformanceBasedCommonStockWarrantsPurchaseLevelandNumberofWarrantstoVestDetails">
        <link:definition>2463435 - Disclosure - Performance-Based Common Stock Warrants - Purchase Level and Number of Warrants to Vest (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PerformanceBasedCommonStockWarrantsAssumptionsUsedinValuationandWeightedAverageFairValueofWarrantsDetails" roleURI="http://www.uei.com/role/PerformanceBasedCommonStockWarrantsAssumptionsUsedinValuationandWeightedAverageFairValueofWarrantsDetails">
        <link:definition>2464436 - Disclosure - Performance-Based Common Stock Warrants - Assumptions Used in Valuation and Weighted Average Fair Value of Warrants (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PerformanceBasedCommonStockWarrantsImpacttoNetSalesinConnectionwithWarrantsandRelatedIncomeTaxBenefitDetails" roleURI="http://www.uei.com/role/PerformanceBasedCommonStockWarrantsImpacttoNetSalesinConnectionwithWarrantsandRelatedIncomeTaxBenefitDetails">
        <link:definition>2465437 - Disclosure - Performance-Based Common Stock Warrants - Impact to Net Sales in Connection with Warrants and Related Income Tax Benefit (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OtherIncomeExpenseNet" roleURI="http://www.uei.com/role/OtherIncomeExpenseNet">
        <link:definition>2166116 - Disclosure - Other Income (Expense), Net</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OtherIncomeExpenseNetTables" roleURI="http://www.uei.com/role/OtherIncomeExpenseNetTables">
        <link:definition>2367313 - Disclosure - Other Income (Expense), Net (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OtherIncomeExpenseNetDetails" roleURI="http://www.uei.com/role/OtherIncomeExpenseNetDetails">
        <link:definition>2468438 - Disclosure - Other Income (Expense), Net (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EarningsLossPerShare" roleURI="http://www.uei.com/role/EarningsLossPerShare">
        <link:definition>2169117 - Disclosure - Earnings (Loss) Per Share</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EarningsLossPerShareTables" roleURI="http://www.uei.com/role/EarningsLossPerShareTables">
        <link:definition>2370314 - Disclosure - Earnings (Loss) Per Share (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EarningsLossPerShareCalculationofEarningsPerShareDetails" roleURI="http://www.uei.com/role/EarningsLossPerShareCalculationofEarningsPerShareDetails">
        <link:definition>2471439 - Disclosure - Earnings (Loss) Per Share - Calculation of Earnings Per Share (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EarningsLossPerShareSecuritiesExcludedfromtheComputationofDilutedEarningsLossPerCommonShareDetails" roleURI="http://www.uei.com/role/EarningsLossPerShareSecuritiesExcludedfromtheComputationofDilutedEarningsLossPerCommonShareDetails">
        <link:definition>2472440 - Disclosure - Earnings (Loss) Per Share - Securities Excluded from the Computation of Diluted Earnings (Loss) Per Common Share (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Derivatives" roleURI="http://www.uei.com/role/Derivatives">
        <link:definition>2173118 - Disclosure - Derivatives</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DerivativesTables" roleURI="http://www.uei.com/role/DerivativesTables">
        <link:definition>2374315 - Disclosure - Derivatives (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DerivativesTotalNetFairValueofDerivativesDetails" roleURI="http://www.uei.com/role/DerivativesTotalNetFairValueofDerivativesDetails">
        <link:definition>2475441 - Disclosure - Derivatives - Total Net Fair Value of Derivatives (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DerivativesNarrativeDetails" roleURI="http://www.uei.com/role/DerivativesNarrativeDetails">
        <link:definition>2476442 - Disclosure - Derivatives - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DerivativesForeignCurrencyExchangeContractsDetails" roleURI="http://www.uei.com/role/DerivativesForeignCurrencyExchangeContractsDetails">
        <link:definition>2477443 - Disclosure - Derivatives - Foreign Currency Exchange Contracts (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
    </xs:appinfo>
  </xs:annotation>
  <xs:element id="ueic_ZhejiangZhenYouElectronicsCoLtdMember" abstract="true" name="ZhejiangZhenYouElectronicsCoLtdMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="ueic_NumberOfInterPartesReviewIPRRequestsDenied" abstract="false" name="NumberOfInterPartesReviewIPRRequestsDenied" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="ueic_QorvoInternationalPteLtdMember" abstract="true" name="QorvoInternationalPteLtdMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="ueic_ClassofWarrantorRightNumberofSecuritiesCalledbyEachWarrantorRightVestingPeriodTwo" abstract="false" name="ClassofWarrantorRightNumberofSecuritiesCalledbyEachWarrantorRightVestingPeriodTwo" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="ueic_ScheduleofAccountsReceivablebyMajorCustomersbyReportingSegmentsTableTextBlock" abstract="false" name="ScheduleofAccountsReceivablebyMajorCustomersbyReportingSegmentsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType"/>
  <xs:element id="ueic_PatentLawsuitAgainstRokuMember" abstract="true" name="PatentLawsuitAgainstRokuMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="ueic_ComcastCorporationMember" abstract="true" name="ComcastCorporationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="ueic_ContingenciesTable" abstract="true" name="ContingenciesTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="ueic_NumberOfPatentsSubjectToInterPartesReviewIPR" abstract="false" name="NumberOfPatentsSubjectToInterPartesReviewIPR" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="ueic_GuangzhouEntityMember" abstract="true" name="GuangzhouEntityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="ueic_DisposalGroupIncludingDiscontinuedOperationIndemnificationPeriod" abstract="false" name="DisposalGroupIncludingDiscontinuedOperationIndemnificationPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="ueic_AccruedSocialInsuranceAdjustment" abstract="false" name="AccruedSocialInsuranceAdjustment" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ueic_ClassofWarrantorRightNumberofSecuritiesCalledbyEachWarrantorRightVestingPeriodOneSupplyThresholdLevelTwo" abstract="false" name="ClassofWarrantorRightNumberofSecuritiesCalledbyEachWarrantorRightVestingPeriodOneSupplyThresholdLevelTwo" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="ueic_WarrantsDisclosureTextBlock" abstract="false" name="WarrantsDisclosureTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType"/>
  <xs:element id="ueic_ClassofWarrantorRightNumberofSecuritiesCalledbyEachWarrantorRightVestingPeriodThreeSupplyThresholdLevelOne" abstract="false" name="ClassofWarrantorRightNumberofSecuritiesCalledbyEachWarrantorRightVestingPeriodThreeSupplyThresholdLevelOne" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="ueic_ClassofWarrantorRightNumberofSecuritiesCalledbyEachWarrantorRightVestingPeriodThree" abstract="false" name="ClassofWarrantorRightNumberofSecuritiesCalledbyEachWarrantorRightVestingPeriodThree" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="ueic_ForeignExchangeForwardUSDBrazilianRealContract2Member" abstract="true" name="ForeignExchangeForwardUSDBrazilianRealContract2Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="ueic_RokuTCLHisenseandFunaiPatentInfringementITCMatterMember" abstract="true" name="RokuTCLHisenseandFunaiPatentInfringementITCMatterMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="ueic_ShareRepurchaseProgramAuthorizedSeptember152020Member" abstract="true" name="ShareRepurchaseProgramAuthorizedSeptember152020Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="ueic_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract" abstract="true" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="ueic_FiniteLivedIntangibleAssetsFullyAmortizedGross" abstract="false" name="FiniteLivedIntangibleAssetsFullyAmortizedGross" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ueic_ClassofWarrantorRightSupplyThresholdLevelOneAmount" abstract="false" name="ClassofWarrantorRightSupplyThresholdLevelOneAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ueic_AllowanceforDoubtfulAccountsReceivableWriteOffsAndEffectOfExchangeRate" abstract="false" name="AllowanceforDoubtfulAccountsReceivableWriteOffsAndEffectOfExchangeRate" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ueic_NumberOfInterPartesReviewIPRRequestsFiled" abstract="false" name="NumberOfInterPartesReviewIPRRequestsFiled" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="ueic_FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour" abstract="false" name="FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ueic_UsBankMember" abstract="true" name="UsBankMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="ueic_ClassofWarrantorRightVestedWarrants" abstract="false" name="ClassofWarrantorRightVestedWarrants" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="ueic_ClassofWarrantorRightNumberofSecuritiesCalledbyEachWarrantorRightVestingPeriodOneSupplyThresholdLevelOne" abstract="false" name="ClassofWarrantorRightNumberofSecuritiesCalledbyEachWarrantorRightVestingPeriodOneSupplyThresholdLevelOne" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="ueic_CommonStockPurchaseWarrantMember" abstract="true" name="CommonStockPurchaseWarrantMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="ueic_ClassofWarrantorRightNumberofSecuritiesCalledbyEachWarrantorRightVestingPeriodTwoSupplyThresholdLevelTwo" abstract="false" name="ClassofWarrantorRightNumberofSecuritiesCalledbyEachWarrantorRightVestingPeriodTwoSupplyThresholdLevelTwo" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="ueic_ScheduleofFairValueAssumptionsTableTextBlock" abstract="false" name="ScheduleofFairValueAssumptionsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType"/>
  <xs:element id="ueic_ClassofWarrantorRightVested" abstract="false" name="ClassofWarrantorRightVested" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="ueic_AsiaExcludingPeoplesRepublicOfChinaMember" abstract="true" name="AsiaExcludingPeoplesRepublicOfChinaMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="ueic_ClassofWarrantorRightNumberofVestingPeriods" abstract="false" name="ClassofWarrantorRightNumberofVestingPeriods" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="ueic_ClassofWarrantorRightVestingPeriodOne" abstract="false" name="ClassofWarrantorRightVestingPeriodOne" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="ueic_ContingenciesLineItems" abstract="true" name="ContingenciesLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="ueic_AllowanceForSalesReturns" abstract="false" name="AllowanceForSalesReturns" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ueic_SonyCorporationMember" abstract="true" name="SonyCorporationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="ueic_ClassOfWarrantOrRightVestingPeriodOneSupplyThresholdLevelOneAbstract" abstract="true" name="ClassOfWarrantOrRightVestingPeriodOneSupplyThresholdLevelOneAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="ueic_ClassofWarrantorRightUnvestedUnrecognizedFairValue" abstract="false" name="ClassofWarrantorRightUnvestedUnrecognizedFairValue" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ueic_AccruedSalesDiscountsRebatesandRoyaltiesCurrent" abstract="false" name="AccruedSalesDiscountsRebatesandRoyaltiesCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ueic_AdjustmentsToAdditionalPaidInCapitalWarrantsIncreaseDecreaseInEquityRelatedToNetSales" abstract="false" name="AdjustmentsToAdditionalPaidInCapitalWarrantsIncreaseDecreaseInEquityRelatedToNetSales" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ueic_ClassofWarrantorRightTermofSuccessiveVestingPeriods" abstract="false" name="ClassofWarrantorRightTermofSuccessiveVestingPeriods" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="ueic_AccruedDutiesCurrent" abstract="false" name="AccruedDutiesCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ueic_EnsonMember" abstract="true" name="EnsonMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="ueic_ClassofWarrantorRightSupplyThresholdLevelTwoAmount" abstract="false" name="ClassofWarrantorRightSupplyThresholdLevelTwoAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ueic_ClassofWarrantorRightNumberofSecuritiesCalledbyEachWarrantorRightVestingPeriodThreeSupplyThresholdLevelThree" abstract="false" name="ClassofWarrantorRightNumberofSecuritiesCalledbyEachWarrantorRightVestingPeriodThreeSupplyThresholdLevelThree" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="ueic_OtherIncomeExpense" abstract="false" name="OtherIncomeExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ueic_ClassofWarrantorRightIncomeTaxExpenseBenefit" abstract="false" name="ClassofWarrantorRightIncomeTaxExpenseBenefit" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ueic_SharesIssuedToDirectorsShares" abstract="false" name="SharesIssuedToDirectorsShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="ueic_AccountsPayableBenchmarkMember" abstract="true" name="AccountsPayableBenchmarkMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="ueic_ScheduleofImpactToNetSalesDueToWarrantsTableTextBlock" abstract="false" name="ScheduleofImpactToNetSalesDueToWarrantsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType"/>
  <xs:element id="ueic_ClassOfWarrantOrRightMaximumNumberOfWarrantsAvailableForVestingInPeriod" abstract="false" name="ClassOfWarrantOrRightMaximumNumberOfWarrantsAvailableForVestingInPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="ueic_ClassofWarrantorRightNumberofSecuritiesCalledbyEachWarrantorRightVestingPeriodTwoSupplyThresholdLevelOne" abstract="false" name="ClassofWarrantorRightNumberofSecuritiesCalledbyEachWarrantorRightVestingPeriodTwoSupplyThresholdLevelOne" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="ueic_ClassofWarrantorRightFairValue" abstract="false" name="ClassofWarrantorRightFairValue" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="num:perShareItemType"/>
  <xs:element id="ueic_DishNetworkCorporationMember" abstract="true" name="DishNetworkCorporationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="ueic_OtherAccruedExpensesCurrent" abstract="false" name="OtherAccruedExpensesCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ueic_ForeignExchangeForwardUSDBrazilianRealContract1Member" abstract="true" name="ForeignExchangeForwardUSDBrazilianRealContract1Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="ueic_TLCHisenseandFunaiITCMatterMember" abstract="true" name="TLCHisenseandFunaiITCMatterMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="ueic_ShareRepurchaseProgramAuthorizedNovember102020Member" abstract="true" name="ShareRepurchaseProgramAuthorizedNovember102020Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="ueic_ClassofWarrantorRightContraRevenue" abstract="false" name="ClassofWarrantorRightContraRevenue" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ueic_LossContingencyPatentsAllegedlyInfringedPatentFamiliesNumber" abstract="false" name="LossContingencyPatentsAllegedlyInfringedPatentFamiliesNumber" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="ueic_SecondAmendedCreditAgreementMember" abstract="true" name="SecondAmendedCreditAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="ueic_AccruedEmployeeSalesCommissionCurrent" abstract="false" name="AccruedEmployeeSalesCommissionCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ueic_AccruedFreightandHandlingFeesCurrent" abstract="false" name="AccruedFreightandHandlingFeesCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ueic_LesseeOperatingLeaseLeaseNotYetCommencedNumberOfLeases" abstract="false" name="LesseeOperatingLeaseLeaseNotYetCommencedNumberOfLeases" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="ueic_AccruedSocialInsuranceCurrent" abstract="false" name="AccruedSocialInsuranceCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ueic_ClassofWarrantorRightNumberofSecuritiesCalledbyEachWarrantorRightVestingPeriodOneSupplyThresholdLevelThree" abstract="false" name="ClassofWarrantorRightNumberofSecuritiesCalledbyEachWarrantorRightVestingPeriodOneSupplyThresholdLevelThree" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="ueic_LineOfCreditFacilityCovenantsSubsidiaryOwnershipPercentageSecuringFacility" abstract="false" name="LineOfCreditFacilityCovenantsSubsidiaryOwnershipPercentageSecuringFacility" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="num:percentItemType"/>
  <xs:element id="ueic_ClassofWarrantorRightSupplyThresholdAmount" abstract="false" name="ClassofWarrantorRightSupplyThresholdAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ueic_SharesIssuedForEmployeeBenefitPlan" abstract="false" name="SharesIssuedForEmployeeBenefitPlan" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ueic_LiabilitiesLesseeAbstract" abstract="true" name="LiabilitiesLesseeAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="ueic_ClassofWarrantorRightNumberofSecuritiesCalledbyEachWarrantorRightVestingPeriodThreeSupplyThresholdLevelTwo" abstract="false" name="ClassofWarrantorRightNumberofSecuritiesCalledbyEachWarrantorRightVestingPeriodThreeSupplyThresholdLevelTwo" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="ueic_ClassOfWarrantOrRightVestingPeriodThreeAbstract" abstract="true" name="ClassOfWarrantOrRightVestingPeriodThreeAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="ueic_AllOtherCountriesMember" abstract="true" name="AllOtherCountriesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="ueic_ClassofWarrantorRightSupplyThresholdLevelThreeAmount" abstract="false" name="ClassofWarrantorRightSupplyThresholdLevelThreeAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ueic_InventoryPurchases" abstract="false" name="InventoryPurchases" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ueic_ClassOfWarrantOrRightVestingPeriodTwoAbstract" abstract="true" name="ClassOfWarrantOrRightVestingPeriodTwoAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="ueic_ClassofWarrantorRightNumberofSecuritiesCalledbyEachWarrantorRightVestingPeriodTwoSupplyThresholdLevelThree" abstract="false" name="ClassofWarrantorRightNumberofSecuritiesCalledbyEachWarrantorRightVestingPeriodTwoSupplyThresholdLevelThree" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="ueic_LesseeLeaseDescriptionTableTextBlock" abstract="false" name="LesseeLeaseDescriptionTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType"/>
  <xs:element id="ueic_NumberOfInterPartesReviewIPRRequestsGranted" abstract="false" name="NumberOfInterPartesReviewIPRRequestsGranted" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="ueic_SharesIssuedToDirectorsValue" abstract="false" name="SharesIssuedToDirectorsValue" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ueic_RingLLCMember" abstract="true" name="RingLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="ueic_AssetsLesseeAbstract" abstract="true" name="AssetsLesseeAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="ueic_LesseeOperatingLeaseLiabilityToBePaidAfterYearFour" abstract="false" name="LesseeOperatingLeaseLiabilityToBePaidAfterYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ueic_AssetsAndLiabilitiesLesseeTableTextBlock" abstract="false" name="AssetsAndLiabilitiesLesseeTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType"/>
  <xs:element id="ueic_ClassofWarrantorRightNumberofSecuritiesCalledbyEachWarrantorRightVestingPeriodOne" abstract="false" name="ClassofWarrantorRightNumberofSecuritiesCalledbyEachWarrantorRightVestingPeriodOne" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
</xs:schema>
