2 Kicker L7s 15" 4 ohm ea., 2 Mtx 1000XD mono Amps, Kicker 500.1 4 chanel amp,Sound stream BX-20Z sound processer ,focal K2 165 KRX3 -2nd set of 1 1/2" Focal K2 tweeters
with this set up I have had no problems the RTA testing looks good and SQ is high
I hope this helps