Questions & Answers for: subs lpf

...subs and I know the lpf is supposed to be on. My question is which lpf should i use the head unit one or the amps or both, and what frequency should they be set on? one more thing the head units lpf ...

NOW WITH UR AMP RUNNING UR MIDS U DONT WANT A LOT OF BASS MAYBE NOT AT ALL CAUSE UR SUBS WILL HANDLE THAT, SO U WANT A LOT OF TREBLE WHICH SHOULD BE THE LPF, O AND ANY WHERE FROM 6DB-12DB WILL BE GOOD

...LPF to just below the highest range of the frequency response of the subs. Meaning if the frequency response of the sub is 20-200Hz, set the LPF to about 180Hz OR set the LPF to where the other ...

lpf should i have it at if you have subs on it set it at about 80 up to 120 hertz maximum I find the best result is at an 80 hertz limit... A LPF is used so the amplifer will not allow any frequencies

After installing my subs, both audio and bass comes from them. i cannot figure out why this is. look at the low pass on the amp it lill say hpf full and lpf make sure its on lpf its a switch

mtx 801d amp turns on but no bass just high pitch sound sub is fine if theres a switch on ur amp that says LPF Full or HPF put it on LPF for low pass frequencies

Turn vocals off If its a sub amp.....There should be a switch that says lpf/full/hpf....Make sure its on lpf (low pass filter....)

i have a 2008 kicker l7 15 and it hits fine when the volume is mid range but if i go up on the volume it makes this poping sound the amp is tune down You need to turn DOWN your LPF....(low pass filter

what is lpf switch dont know what the lpf switch is used for i have 1 sub to run lpf is low pass frequency.  You would want to have it turned on if you are running a sub off the amp.

is there a crossover in the ada885 sub box do i disconnect when using external amp I want to use an external amp would i need a cross over before the amp to get the correct sub frequency usually the ...