Thread: Subaru BRZ OEM HU Amp Install Question
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Old 01-16-2015, 01:57 PM   #4
B-R-Z
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No you don't, but it can help if your signal going to the amp is too low or too high, it will give gain adjustment to give you control over this. Hpf setting depends on the type of speakers, are they a component system or full range?
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