Amazon.com: Add A Bass Subwoofer Amplifier Adapter Interface w/Amp Remote Wire to Factory OEM Car Stereo Radio for select VW Made for Jetta Golf CC Passat EOS Tiguan etc- Vehicles listed below :
VW Audi Forum - The #1 Volkswagen (VW) Forum Dedicated to the whole Volkswagen (VW) Group
VW Composition Media to VW RNS 315 Navigation - YouTube
VW Navigation System Blowout..... RNS 315 DIY Install - YouTube