These really need no introduction. Power output is as follows with only 12 volts, and the power supply is unregulated so expect a good deal more in a real world application....
200 watts rms x 2 @ 4 ohms
400 watts rms x 2 @ 2ohm
500 watts rms x 2 @ 1ohm
500 watts rms x 2 @ 1/2 ohm
800 watts rms x 1 @ 4 ohms bridged
1000 watts rms x 1 @ 2 ohms bridged
1000 watts rms x 1 @ 1ohm bridged