Quote Originally Posted by v6dreamer View Post
Why disabled the 6X9? Since you have a 4-channel amps, run with 3 channel mode and let your H.U built-in Amp driving your other two speakers.

Example.. Your 4 channel amps
2 channel or your amps run each speakers(front or rear)
The other two channel of your amps(bridged) is for your subs.
Run your other two speakers front or rear with your H.U. You could choose diff kind option by using your own design strategy.
x2 To this but in the rears better to power it by the HU.