im so confused

[crxking 10+ year member]

ok i have 2 jlw3d4's and on my amp there is a couple of features liek db and the filter

what should i run the hz ?? at ??

and what should i run the db at

and what does the hz do ??

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[Mark_ab 5,000+ posts]

Hz, I can only assume is for the LPF (or maybe the HPF if it's a 4 channel, so make sure first!). If you're using an active crossover, or a crossover from your head unit, you can set the amplifier's crossover to any point above that; or you could just run it at full range and let the HU's XO handle it. dB is probably bass boost. It likes to cause distortion, so unless you like muddy sounding bass, I'd recommend not having it over 1/3.