Nitro BMW-482 Car Audio Amplifier "sub output preamp" Questions

...from the head unit's RCA preamp outputs or is it being fed by another amp's preamp outputs? Try temporarily wiring up a speaker you know is good in place of the sub and see if anything

Preamp outputs And these are the details on the subs: Speaker Type Passive Speaker Diameter 12" Nominal (RMS) Output Power 400 Watt Max (RMS) Output Power 800 Watt Response Bandwidth 25 - 500 Hz Input

...sub go "boom" like it has power. I think it has to do with the preamp outputs or my RCA wires, I'm not sure. Any suggestions? Sounds like you answered your own question when you said you were getting ...

...then check your preamps (sub out from head-unit).Maybe you need to turn on that output thru head unit's audio menu.Also when using dual voice coils if you wire them out of phase there will be no ...

...sub up 100 watts RMS x 2 at 4 ohms 200 watts RMS x 2 at 2 ohms 400 watts RMS x 1 at 4 ohms in bridged mode stereo or bridged mono output 4-ohm stable in bridged mode Tri-Way capable requires 8-gauge ...

...output (sound from the sub) could be a defect in the 1) Wiring, 2) Head unit, 3) Speaker(s), or 4) The amp itself. Start to systematically eliminate the possible causes. Connect your subs to a known ...

...make sure they are set to "subs" or "woofer" if you have a stock head unit, that is your problem filterpot for the low pass crossover is going bad.Have it replaced or use the head unit sub

sub, but nothing happened with any of them, also i checkedt the fuse and it was good Did you check your RCA's? I've done it a million times. I've forgotten to hook them up or I hooked them up on a amp

...have sub outputs, make sure you hook the correct output from the equalizer up to your amp. Also most have 3 outputs depending on the type you have. If you need more help just let me know, good ...

...Sub Crossover: fully-variable (40-200 Hz), selectable-slope LP (12 or 24 dB per octave) Preamp Output: 2-channel (full-range or LP) Bass EQ: Variable boost up to 15db Infrasonic Filter: defeatable ...