Pioneer plus a Chevy Suburban equals all day fun Installer Diaries 73

For sale is a Pioneer Champion Series GM-D8604 Old School 4 Ch Car Stereo POWER AMP Amplifier. Please check photos for actual condition of the item. Pioneer Champion Series GM-D8604 4 Ch Amplifier. pioneer champion series gm-d8604 old school 4 ch car stereo power amp amplifier.