Official system setup options thread (Picts and How to Thread) | Volkswagen Passat Forum
Powered Subwoofer possibilities | VW Vortex - Volkswagen Forum
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 :
2014 Volkswagen Passat Gets Sony Mobile ES Speaker Upgrade
Pin by Albert László on VW Passat car audio and led light installation | Car audio installation, Car audio systems, Car audio subwoofers