L luckyj86047 10+ year member Member 74 0 winslow,az Aug 26, 2011 #1 what is a lpf freq level on the amp?and should it be turned all the way up with subs in a ported box? Click to read more...
what is a lpf freq level on the amp?and should it be turned all the way up with subs in a ported box? Click to read more...
& >>SQL<< 10+ year member CarAudio.com Elite 1,517 53 USA Aug 27, 2011 #3 no is should not - put it at between 80-100 HZ