i have a rockford punch 600ix 2 channel amp. i have a 400ix which is a 4 or 2 channel amp a 200ix which is a 2 channel. and more many more amps. for subs i have (6) 12" jbl gti 1000 watt rms liquid cooled but they need a lot of space, i have a brand new 12" mtx jackhammer, and last i have a 10" alpine type s in a buzzooka tube. for doors i have (2) 6.5 polk audio momo (2) kenwood 6.5. (2) boston acoustic pros with tweeters and crossovers, and (2) infinitys w/ crossover.