Quadlock Extension Cable - 40 PIN male to female - Length 0.3 m
Cable adapter for VAG car radios Quadlock to Mini ISO
Adapter Universe Amplifier 2 Channel RCA Adapter Cable to Quadlock Output Extension Cable High-Low for BMW Ford Mercedes Seat Skoda VW Radio Power Amplifier: Amazon.de: Electronics & Photo
Quadlock Extension Adapter Cable - 52 PIN + 4 line male to female
Quadlock Extension Cable 6.5 m Compatible with BMW 3 E46, 5 E39, X5 E53 | Connector Connector: Quadlock / 40-Pin: Amazon.de: Automotive