Specific cable kit for upgrading the active audio system "BeatsAudio" for VW Polo AW1 This cable kit connects the car radio/navigation unit to the power amplifier/control unit as well as the subwoofer, tweeter and loudspeakers in the doors The additional subwoofer in the spare wheel arch ensures powerful and full bass The loudspeakers in the doors and tweeters are exchanged for a more powerful version Scope of delivery: Cable kit Notes: Additional parts are required for installation (e.g. loudspeaker, subwoofer, power amplifier/control unit, etc.)