Filters and preouts..


New member
Username: Paogr


Post Number: 8
Registered: Dec-05
The filters on a headunit (HPF,LPF) affect the internal amp and the preouts or one of those? I'm asking because my friend's headunit has 1 preout and he has hooked a 1-channel amp on it and a sub. The rest four speakers run from the headunit's internal amp. If he set the HPF at 100Hz will this affect the preout or not?

Gold Member
Username: Theelfkeeper

Stockbridge, GA USA

Post Number: 1643
Registered: Feb-05
depends on what kind of pre out that it. sub, front or rear. and which crossover was adjusted. depends on the HU as to how that works.

HPF should only affect the mids and highs though. the LPF should affect the sub.
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