Car Audio Regulator Amplifier Bass Subwoofer Stereo Equalizer Controller 4 RCA

4 gold plated RCA's (2 RCA input & 2 RCA output). 2017 Audi A1 Urban Hatchback 2-Door 1.4L 1390CC 85Cu. 2017 Audi A7 Elite Hatchback 4-Door 2.0L 1984CC 121Cu. 2017 Audi RS7 Performance Hatchback 4-Door 4.0L 3993CC 243Cu.

eBay