10 Pin Universele Rca Output Kabelboom Aux In Subwoofer Kabel Adapter Bedrading Connector Android Radio Auto Accessoires - AliExpress Auto´s & Motoren
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Subwoofer cable
Line Out Adapter Cable Car Radio 5 RCA Subwoofer Mini ISO for Audi VW Seat 799471127988 | eBay
Amazon.com: NuIth Car Radio Stereo High to Low Converter Wire Adapter 2-Channel Adjustable Amplifier Subwoofer Interface w/Remote Turn On RCA Car Line Output Wire Cable : Electronics