Peavey Cs 4000.

CS 4000 Power Amplifier 2 temperature-dependant variable speed fans. 2000 watts (rms) per channel at 2 ohms. 1350 watts (rms) per channel at 4 ohms. 800 watts per channel at 8 ohms. 4000 watts at 4 ohms bridged. 5-year warranty. 2-rack-space stereo power amp featuring DDT.