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      02-11-2014, 12:04 PM   #3
kaigoss69
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Drives: '08 335i
Join Date: Jul 2008
Location: JAX

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When you tap the OEM speaker cables you are effectively reducing the impedance of the speaker circuit. I would think though that if you reduced the HU bass setting to zero/normal position that the HU amp will not be overloaded. That's because a large portion of the power supply gets used up by bass frequencies. Make bass adjustments on the aftermarket amp, not the HU!
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