Re: What is Subsonic Filter and a couple of more questions ^^
The subsonic filter is usually an option that comes on the amp so no you cant buy it at wal-mart good thing. more than likely your filter is a hi pass/lo pass. but it is good to have it set for low pass if your using it for subs setting the radio will work but still can let higher frequencies though.Not the best sound. so you should use the LP
Head Unit: JVC KD-AVX2
Front Spkrs: Zapco I-6.2
Rear Spkrs: Zapco I-602
Subwoofers: Cadence ZRS
4 Channel: Cadence IA4
Mono amp: Cadence IA9
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