VW Retrofit LTD - Golf MK7 TDI upgraded with Helix subwoofer kit. 2h ish job including fitting and programming sound parameters. Quite good results from such a small box 😊 | Facebook
Volkswagen – originalni dodatni subwoofer by Helix - YouTube
Alpine - SPC-600G7 Subwoofer pour VW Golf 7 et Golf 6
VW Golf VII | compact (2012-2020) | Au Auf | Focal Inside
Original Volkswagen VW Golf 6 7 Polo Helix Soundsystem Subwoofer 000051419B for sale online | eBay