Looking at the MA amps on Ebay, the price sounds ridiculously cheap for something with that much power as you guys say they have. I will look into getting me a 4 channel and one mono amp. I believe you guys say it's bumping, then it's bumping. I really thought I had to go brand name to get the sound I was after. I never heard of MA Audio until reading Thumps post about his stereo system.