Power rating located on pg 26/28 of the manual in .pdf format located @ http://dls.se/pdf/Manual_A-amp04_eng.pdf
Nominal power RMS in 4 ohm = 500 W
Typical power RMS in 2 ohm = 870 W
Typical power RMS in 1 ohm = 1100 W
Neat... looks not unlike an old Soundstream amplifier. The screws and washers clamping the switching and output devices to the heatsink are identical... The dual power supplies and SMT components are cool.