Postby exia_sir » February 6th, 2013, 1:24 am
there are two knobs... the big one tunes the bandwidth of the frequency and the other to boost or cut. you probably just have the big knob turned all the way up making the bandwidth large enough to pick up the other frequency ranges with it. Make sure the sub RCA is coming from the "sub out" port into the 2 channels for the subs. Also check the amp to make sure that a HPF isn't on the amp or any strange crossover or EQ settings are on the amp.