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 Subwoofer Helix 480W Origineel VW Montage mogelijk
Just installed the Helix sub/DSP amp : r/vwgolf
Helix Subwoofer - Miles Continental
Helix Plug&Play Soundsystem/Subwoofer 000051419B Original VW | eBay