Use this adapter to make your installation of a subwoofer bass amplifier to the factory system faster with a cleaner install. Use this plug and play adapter so you don't have to cut or splice into the factory wiring. Provides rca output. Adjustable gain output. Connection is done at back of radio. Includes power wire for amp turn on wire. Compatibility: Not compatible with factory amplified stereo systems. Only works with factory non-amplified systems (no JBL/Synthesis, Bose, etc.). Compatible vehicles: No Bose or factory external amp vehicles: Made for Buick: 2008-2017 Enclave, 2006-2011 Lucerne;; Made for Chevrolet: 2007-2013 Avalanche (2012+ No Nav), 2012-2015 Captiva Sport (No Nav), 2007-2009 Equinox, 2008-2021 Express (2013-2015 No Nav), 2006-2013 Impala, 2006-2007 Monte Carlo, 2007-2013 Silverado (2007 not Classic) (2012-2013 No Nav), 2007-2014 Suburban (2012-2014 No Nav), 2007-2014 Tahoe (2012-2014 No Nav), 2009-2017 Traverse;; Made for GMC: 2007-2016 Acadia, 2008-2020 Savanna (2013-2015 No Nav), 2007-2013 Sierra (2007 new body style only) (2012-2013 No Nav), 2007-2014 Yukon (2012-2014 No Nav);; Pontiac: 2007-2009 Torrent;; Saturn: 2007-2010 Outlook, 2008-2010 Vue;; Suzuki: 2007-2009 XL-7