Specific complete kit for upgrading the active audio system in the Audi A1 GB This cable set connects the car radio/navigation to the subwoofer, the centre speaker and the rear speakers The additional subwoofer in the spare wheel well provides powerful and deep bass The additional centre speaker and the tweeter in the C-pillar (only if 8RE is selected) provide better ambient sound Selectable option: PR no.: 8RE, without second battery (PR no.: 8FA) PR no.: 8RL, without second battery (PR no.: 8FA) PR no.: 8RE, with second battery (PR no.: 8FC) PR no.: 8RL, with second battery (PR no.: 8FC) Scope of delivery: Cable set 2 x woofers 2 x tweeters (only for 8RE) 2 x surround speakers (only for 8RE) 1 x subwoofer for spare wheel well 1 x speaker central Vis Codedongle