Volkswagen Original VW Helix Plug & Play Sound System - Subwoofer : Amazon.de: Electronics & Photo
Alpine - SWC-D84T6 Subwoofer with Enclosure for Volkswagen T6.1 / T6
Amazon.com: Add A Subwoofer Bass Amplifier Adapter Interface w/Amp Remote Turn On Wire to Factory Car Stereo Radio for some 2015+ VW Volkswagen Vehicles - compatible vehicles listed below : Electronics