On the Pioneer I go with Bass +2, Q-1.0 with a centre frequency of 100Hz and a low pass filter set at 63Hz for all speakers. Mid at +1 Q at 0.7 centred at 500Hz and treble flat, Q- 1.0 and centred at 2000Hz. But I stress that's what sounds best to me , with my music, at my volume, and also it's...