Mk4 front speaker change guide. | VW Golf R32 Forum
Amazon.com: DKMUS Speakers Adapter for VW Golf IV Passat Speaker Spacer Rings 165mm 6.5" Kit with Wiring Harness : Electronics
Speakers VW GOLF IV (1J1) 1.9 TDI 2826104 | B-Parts
Speakers Adaptor for VW Golf IV Passat Polo Skoda Seat Leon Audi Speaker Adapter Rings 165mm 6.5" Kit Spacers Height 40mm - AliExpress
What the..trying to change from stock radio and i found out why the rear speakers don't work. Why do i have wires only for front speakers on my golf 4 1.9tdi 2003? :
How to Upgrade Car Stock Front Door Speakers | VW Golf Mk4 | Episode 9 - YouTube
Gladen ONE 200 GOLF 4 8" 100W RMS 3-Way Component Speakers System for Volkswagen Golf 4