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 :
Volkswagen Passat 2005-2014 JL Audio 10W0V3-4 - 10" Inch 300 Watts Car Subwoofer Custom Bass Box Kit