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 CC Passat B6 B7 R36 Upgrade Speaker – SOUMATRIX
How to replace door speakers on a B6 2006 2010 Passat - YouTube
Basser - FBvw10 VW Passat B6/B7 Sedan Fit-Box subwoofer enclosure
Passat B6 Audio System HX165SQ Evo HX10SQ X80.4D - YouTube
Installation Audio System m165 evo2 in VW passat b6 - YouTube
Basser - FBvw10 VW Passat B6/B7 Sedan Fit-Box subwoofer enclosure
2015 - 2023 VW Passat Amp and Sub Install - YouTube
VW PASSAT B6 BASS BOX CUSTOM SLIM 200 W POWER - YouTube