tontonan
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What is Polyfil and does it give me deeper bass? | Car Audio Q & A
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Why are my new speakers quieter in my car?
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Which's better? Fake JBL and real Harman Kardon speakers #diy
5:49
4 Reasons ONLY Upgrading Speakers might not sound good!
10:07
DO's & DON'Ts - Picking Amazing Sounding Speakers!
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How not to fix a car speaker
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All needed, tweeter, midrange and subwoofer
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Simply DIY a two-channel speaker, 6.5" Pioneer midbass+1.5" tweeter
