Well , I've had my issues with the CAB amps.. "possibly caused by me"... Mine was warrantied with no problem... For $200 it's almost a throwaway amp but since that happened I've loaded mine at 2 ohms each and tuned a little lower..."28 hz" and even though I'll tear it all apart someday eventually for sure... I'd recommend these amps to anyone tryin' to save a buck! With the current setup you just cant listen to decaf at high volume for more than a minute at a time... it may not hit big SPL but playing some slowed and lows it kills it for a couple of 12's. Also be ready to upgrade the electrical and dampen the car for sure. 1/2 ohm each may cause problems because strapping into 1 ohm is not recommended but insane power if you manage to not have the amps go into protect... Good Luck! The closeup of the black amp was the board shifting in the heatsink..Don't think you can load these at LOW impedance and they'll last... It could have been mounting it on the original box I had that caused this, but I digress... Mind you these amps never went thermal one just quit one day! Remember that 2 of these strapped @ 2 ohms is +3000 watts, if you got the electrical tight! For $200 ea it's a great deal...