Summary: Very clean dependable amp got it pushin a Polk Dxi 12 bridged at 4 ohms. Fits nicely under the seat. I really need to add another sub since there's power to spare. I only have the gain halfway up. Nothing else compares with these series of Rockford amps. T1000 here I come!
Summary: I have this amp running to a JL 12W3v3-4 and it slams. It replaced a 480 watt rms (supposedly) amplifier. It pushes the sub so much harder and cleaner. Plenty of power for the 500 watt rms subwoofer. Birth sheet is much higher rms power too.
Summary: these amps are some of the best amps you can buy they put out a lot of power more then they say they so and they arent that expensive either so if you are looking for a good amp at a good price try one of these rockford fosgate amps
Summary: I was looking for either a mono or 2 channel amp that I could use for a subwoofer that was running 400 watts RMS. I was considering memphis, soundstream, JL, and Rockford. After having a hard time finding one that fit in the space alloted (I like my car w/o clutter or wires), I decided to go with my original choice, the Rockford, even though I wanted to push a little more than the 400 watts it rated.