A guide to upgrading the sound system on A3 8v (so that it's Hi-Fi and better than the B&O system) | Audi-Sport.net
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For A3 8v 10 Channel Upgrade 12 Channels Front Midrange Speaker Wire + Rear Subwoofer Wire Cable - Car Stickers - AliExpress
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For Audi A3 8v 10 Channel Upgrade 12 Channels Front Midrange Speaker Wire + Rear Subwoofer Wire Cable - Fuses - AliExpress
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