hey i have a kx 400.1 and 2 12inch overdrive subs. dvc 4 ohm i have the subs wired to a 4ohm mono load. the amp is not even 1/4 the up bass boost off and hz at about 60-80 and the bass and every thing on my deck is at -2 (can go from -10 to +10) and when i turn the volume to 30 out of 45 the...