{"product_id":"hrn-ar-to1","title":"iDatalink Maestro HRN-AR-TO1 Amplifier Replacement T-Harness for Select Toyota \u0026 Lexus Vehicles","description":"\u003cp\u003eThe \u003cstrong\u003eiDatalink Maestro HRN-AR-TO1 Amplifier Replacement T-Harness for Select Toyota \u0026amp; Lexus Vehicles\u003c\/strong\u003e connects a supported vehicle factory-audio system to an application-approved Maestro amplifier-integration solution. It is a vehicle-specific harness—not a standalone amplifier interface—and the exact factory audio configuration matters.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eAt a Glance\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eVehicle-specific plug-in T-harness for the exact applications and factory-audio configurations listed below\u003c\/li\u003e\n\u003cli\u003eConnects at the supported factory radio or amplifier location without cutting the vehicle-side audio connectors\u003c\/li\u003e\n\u003cli\u003eSupports a source-data-approved Maestro AR, AR2, or DSR1 amplifier-integration solution when programmed for the exact vehicle\u003c\/li\u003e\n\u003cli\u003eThe compatible Maestro interface, aftermarket amplifier or DSP, power wiring, signal wiring, programming, and tuning are sold separately\u003c\/li\u003e\n\u003cli\u003eDesigned to replace or integrate around the listed factory amplifier while retaining the factory radio in supported applications\u003c\/li\u003e\n\u003cli\u003eFactory premium-audio brand, navigation, screen, and amplifier qualifiers must match the application table\u003c\/li\u003e\n\u003cli\u003eVehicle-specific firmware and the current installation guide must be followed; retained functions vary by application\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eVehicle Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eUse the table below to find the row that matches your vehicle and factory equipment. The year, make, and model must match, along with the listed factory amplifier, premium-audio brand, navigation, screen, or other equipment details. If your vehicle does not match a row exactly, contact MCOR before ordering.\u003c\/p\u003e\u003cdiv class=\"table-wrapper\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px;border:1px solid #ddd;\"\u003eMake\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px;border:1px solid #ddd;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px;border:1px solid #ddd;\"\u003eYears\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px;border:1px solid #ddd;\"\u003eFactory Audio \/ Equipment Qualifier\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eLexus\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eCT 200h\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e2011-2013\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eWithout Factory Navigation With Amplifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eLexus\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eES 350\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e2010-2012\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eWithout Factory Navigation With Amplifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eLexus\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eGX 460\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e2010-2013\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eWithout Factory Navigation With Amplifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eLexus\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eHS 250h\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e2010\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eAll With Amplifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eLexus\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eHS 250h\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e2011-2012\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eWithout Factory Navigation With Amplifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eLexus\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eIS 250\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e2010-2013\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eWithout Factory Navigation With Amplifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eLexus\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eIS 350\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e2010-2013\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eWithout Factory Navigation With Amplifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eLexus\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eIS-F\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e2010-2013\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eWithout Factory Navigation With Amplifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eToyota\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e4Runner\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e2010-2024\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eWith JBL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eToyota\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eAvalon\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e2011-2012\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eWith JBL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eToyota\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eSequoia\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e2008-2022\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eWith JBL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eToyota\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eSienna\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e2011-2020\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eWith JBL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eToyota\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eVenza\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e2009-2016\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eWith JBL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility \u0026amp; What You Need\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eImportant purchasing requirement:\u003c\/strong\u003e This harness is one component of a complete amplifier-integration system. Select the exact application-approved Maestro interface (ADS-MAR, ADS-MAR2, or ADS-DSR1), then add the required aftermarket amplifier\/DSP equipment, amplifier wiring, speaker connections, programming, and professional system configuration.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eCompatible \u0026amp; Related Products\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/ads-mar\"\u003eMaestro ADS-MAR AR factory-amplifier replacement interface\u003c\/a\u003e - sold separately; application-dependent\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/ads-mar2\"\u003eMaestro ADS-MAR2 AR2 amplifier replacement interface\u003c\/a\u003e - sold separately; application-dependent\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/ads-dsr1\"\u003eMaestro\/Rockford Fosgate ADS-DSR1 8-channel DSP interface\u003c\/a\u003e - sold separately; application-dependent\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\u003cdiv class=\"table-wrapper\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px;border:1px solid #ddd;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px;border:1px solid #ddd;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eiDatalink Maestro\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eManufacturer part number\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eHRN-AR-TO1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eProduct type\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eVehicle-specific amplifier integration T-harness\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eSystem family\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eMaestro amplifier integration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eProgramming\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eVehicle- and system-specific Weblink programming required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003ePrimary application\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eselect Toyota and Lexus vehicles whose JBL, Mark Levinson, or other listed premium factory audio system matches the current TO1 application data\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOne genuine iDatalink Maestro HRN-AR-TO1 harness package\u003c\/li\u003e\n\u003cli\u003eManufacturer-supplied harnesses and components shown for this exact current part number\u003c\/li\u003e\n\u003cli\u003eInterface module, amplifier, DSP, power wiring, speakers, optional signal adapters, and installation materials are not included unless expressly stated\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment disclaimer:\u003c\/strong\u003e Compatibility is not determined by year and model alone. Verify the exact year, make, model, trim, factory radio, navigation, amplifier\/audio package, screen, connector, selected Maestro interface, firmware, DSP\/amplifier, and accessories before ordering. Product photos show the listed part; surrounding equipment may be pictured for application context and is not included. Contact MCOR Automotive through the chat button for application help.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWhy Buy From MCOR Automotive\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAuthorized iDatalink Maestro retailer with manufacturer-backed warranty support\u003c\/li\u003e\n\u003cli\u003eVehicle-specific compatibility help before purchase\u003c\/li\u003e\n\u003cli\u003eProfessional car-audio integration, tuning, and installation support\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Idatalink","offers":[{"title":"Default Title","offer_id":54714997080343,"sku":"IDATALINK MAESTRO HRN-AR-TO1 627780002538","price":34.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/3185\/7431\/files\/0000526_maestro-to1-plug-and-play-amplifier-harness-for-select-toyota-and-lexus-models-with-premium-sound-sy.jpg?v=1786836697","url":"https:\/\/shop.mcorautomotive.com\/products\/hrn-ar-to1","provider":"shop.mcorautomotive.com","version":"1.0","type":"link"}