Pac AP4-GM61 S Gm Amp Int Wboss Snd

• Provides factory sound system upgrade solution for factory, fixed-level, databus-controlled sound systems;• Compatible with all trim levels of Cadillac(R) ATS 2015, CT6 2017, and Escalade 2015-2019; Chevrolet(R) Camaro 2016-2018, Colorado 2015-2018, Corvette 2014-2019, Cruze 2017-2018, Equinox 2018, Impala 2014-2016 (non-Classic), Impala 2017-2019, Malibu 2016 (non-Classic), Malibu 2017-2018, Silverado 2014-2018, Silverado 2019 (Classic), Silverado HD 2015-2019, Suburban 2015-2019, Tahoe 2015-2019, Traverse 2018-2019, and Volt 2016-2018;• Compatible with all trim levels of GMC(R) Acadia 2018-2019, Canyon 2015-2018, Sierra 2014-2018, Sierra HD 2015-2019, Terrain 2018, and Yukon/Yukon XL 2015-2019;• Time-saving design prevents need for summing and DSP devices ;• Retains original radio's fit, finish, and features;• Provides full range, flat audio output for a solid audio foundation;• Provides variable volume, control, fade, balance, bass, mid, and treble audio settings ;• Customized OE bass, mid and treble center frequency selection;• Front, rear, and sub preamp outputs (5 volts RMS) ;• Retains OnStar(R), Bluetooth(R), navigation, safety systems, and all warning chimes;• Plug and play installation with factory-matched harness ;• Includes sub level controller, TOSLINK(R) output, knob harness, harness, and manual;