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How to: Install an Amp & Subwoofer in your Audi or Any Make - YouTube
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Amazon.com: PIONEER 10" Single VC 1200W WOOFER : Electronics
Amazon.com: PIONEER TS-Z10LS4 10” Oversized Subwoofer, Shallow Design, Easy Installation and Flexible Fit, 1300 Watts Peak Power, Single 4 Ohms Voice Coil for Deep, Enhanced Bass Response : Electronics
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2013 Audi A4 Powered Subwoofer Install - YouTube
2013 Audi A4 Powered Subwoofer Install - YouTube
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Audi A4 B8: How to Install Subwoofer | Audiworld
