A/D/S P640 amp.....Polk SR6500 components.....Pioneer P880/Alpine 9857 heads.
I'm running 5&6 Bridged to the subs, sound perfect no problems.
Right channel is spot on whether it's run stereo or bridged. I've run it 1&2 bridged, 3&4 bridged, 1,2,3 or 4 stereo it sounds full, smooth...