{"title":"Blazer EV","description":null,"products":[{"product_id":"pac-audio-ap4-gm81-amplifier-integration-interface-for-select-2023-2026-chevrolet-with-bose-a2b-factory-amplified-systems","title":"Pac-Audio AP4-GM81 Amplifier Integration Interface for Select 2023-2026 Chevrolet with BOSE A2B Factory Amplified Systems","description":"\u003cp\u003eThe AP4-GM81 provides a 6-channel pre-amp output for use with aftermarket audio equipment. The AP4-GM81 delivers a variable 5v RMS pre-amp output with fading, balance, equalization, and level control capabilities.\u003c\/p\u003e\n\u003cp\u003eThe module retains all audio from other vehicle features such as factory navigation prompts, Bluetooth, OnStar, and parking sensor chimes. A data controlled remote amplifier turn on wire is provided by the AP4-GM81. The module provides a variable 2-channel fiber optic digital audio output (TOSLINK).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAmpPRO Amplifier Integration Interface for Select 2023+ General Motors Vehicle Models with BOSE A2B Factory Amplified Systems.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFeatures:\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVariable volume, fade, balance, bass, mid and treble audio settings\u003cbr\u003eFront, rear, sub preamp outputs (5 volt RMS)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCustomized OE bass, mid and treble center frequency selection\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eRetains warning chimes, navigation prompts, Bluetooth®, and telematic audio (if equipped) • Plug-and-Play installation\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSub level controller included\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eTOSLINK optical output provides a variable 2-channel digital audio output\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNOTE: The factory amplifier must be unplugged or removed when installing AP4-GM81.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImportant Notes:\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eThis interface is only compatible in vehicles with a BOSE factory amplifier (RPO code UQA or UQS).\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eThe factory amplifier must be disconnected removed from the vehicle when the AmpPRO has been installed.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eThe remote output is rated at 2A of current. If more current is needed, an external relay must be used.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eThe remote output is active any time the vehicle data bus is active. Any vehicle interaction like opening a door or pressing a button on the key fob will activate the data bus.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eChannel 5 \u0026amp; 6 are non-fading outputs. The output level of channels 5 \u0026amp; 6 can be controlled using the supplied level control knob.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eWhen the non-fading level control knob is not connected to the AP4-GM81, the output level of channels 5 \u0026amp; 6 will default to 100 percent.\u003cbr\u003eTo adjust minimum volume without using the PC APP, the level control knob must be connected.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eWhile adjusting the minimum volume with the USB cable plugged in, the level control knob will not function.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eTo adjust chime volume, the PC APP must be used.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eChime volume (Front \u0026amp; Rear) can be adjusted through OE Radio under \"Settings \u0026gt; Vehicle \u0026gt; Comfort and Convenience \u0026gt; Chime Volume.\" Before making additional chime volume adjustments with the PC APP, set the OE volume to the middle.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eThe chime volume and minimum volume levels are set to a typical level by default. If you are happy with this level in your particular application, then additional adjustment is not required. Please refer to the Setup and Configuration section on page 4 for more details.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFront and rear chimes are independently adjustable to compensate for difference in power levels between front and rear installs.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eThe factory radio's speed controlled volume and surround sound mode are not supported by the AP4 outputs.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eWhen using the TOSLINK output, all chimes must be routed through the front output by setting DIP switch 1 ON (down).\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eNo adjustments can be made manually using the programming button, or the factory SWC, when the module is connected to a PC.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eThe AP4-GM81 is designed to be installed in the factory amplifier location, NOT behind the radio. It will replace the factory amplifier which will no longer be used.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable height=\"299\" style=\"width: 109.008%;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 11.9345%;\"\u003eYear(s)\u003c\/th\u003e\n\u003cth style=\"width: 14.6624%;\"\u003eMake\u003c\/th\u003e\n\u003cth style=\"width: 16.3673%;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"width: 25.574%;\"\u003eCompatible feature(s)\u003c\/th\u003e\n\u003cth style=\"width: 30.1773%;\"\u003eNot compatible feature(s)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 11.9345%;\"\u003e2024-2025\u003c\/td\u003e\n\u003ctd style=\"width: 14.6624%;\"\u003eCHEVROLET\u003c\/td\u003e\n\u003ctd style=\"width: 16.3673%;\"\u003eBLAZER EV\u003c\/td\u003e\n\u003ctd style=\"width: 25.574%;\"\u003eWith BOSE\u003c\/td\u003e\n\u003ctd style=\"width: 30.1773%;\"\u003eWithout BOSE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 11.9345%;\"\u003e2023-2025\u003c\/td\u003e\n\u003ctd style=\"width: 14.6624%;\"\u003eCHEVROLET\u003c\/td\u003e\n\u003ctd style=\"width: 16.3673%;\"\u003eCOLORADO\u003c\/td\u003e\n\u003ctd style=\"width: 25.574%;\"\u003eWith BOSE\u003c\/td\u003e\n\u003ctd style=\"width: 30.1773%;\"\u003eWithout BOSE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 11.9345%;\"\u003e2024-2025\u003c\/td\u003e\n\u003ctd style=\"width: 14.6624%;\"\u003eCHEVROLET\u003c\/td\u003e\n\u003ctd style=\"width: 16.3673%;\"\u003eSILVERADO EV\u003c\/td\u003e\n\u003ctd style=\"width: 25.574%;\"\u003eWith BOSE\u003c\/td\u003e\n\u003ctd style=\"width: 30.1773%;\"\u003eWithout BOSE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 11.9345%;\"\u003e2025-2026\u003c\/td\u003e\n\u003ctd style=\"width: 14.6624%;\"\u003eCHEVROLET\u003c\/td\u003e\n\u003ctd style=\"width: 16.3673%;\"\u003eSUBURBAN\u003c\/td\u003e\n\u003ctd style=\"width: 25.574%;\"\u003eWith BOSE\u003c\/td\u003e\n\u003ctd style=\"width: 30.1773%;\"\u003eWithout BOSE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 11.9345%;\"\u003e2025\u003c\/td\u003e\n\u003ctd style=\"width: 14.6624%;\"\u003eCHEVROLET\u003c\/td\u003e\n\u003ctd style=\"width: 16.3673%;\"\u003eTAHOE\u003c\/td\u003e\n\u003ctd style=\"width: 25.574%;\"\u003eWith BOSE\u003c\/td\u003e\n\u003ctd style=\"width: 30.1773%;\"\u003eWithout BOSE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 11.9345%;\"\u003e2024-2026\u003c\/td\u003e\n\u003ctd style=\"width: 14.6624%;\"\u003eCHEVROLET\u003c\/td\u003e\n\u003ctd style=\"width: 16.3673%;\"\u003eTRAVERSE\u003c\/td\u003e\n\u003ctd style=\"width: 25.574%;\"\u003eWith BOSE\u003c\/td\u003e\n\u003ctd style=\"width: 30.1773%;\"\u003eWithout BOSE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"PAC Audio","offers":[{"title":"Default Title","offer_id":52941169393975,"sku":"AP4-GM81","price":479.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/4935\/0455\/files\/AP4-GM81-1.png?v=1788367189"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/4935\/0455\/collections\/Blazer_EV-IMAGE.png?v=1788372449","url":"https:\/\/dbscaraudio.com\/es\/collections\/blazer-ev.oembed","provider":"DB's Car Audio","version":"1.0","type":"link"}