here go the specifications about the 2 ohm load.
Specifications:
Circuit system -- OTL (output transformerless) circuit
Power supply -- Pulse
Maximum outputs -- 400 W x 2 (at 4 ohms)
Maximum outputs -- 600 W x 2 (at 2 ohms)
Maximum outputs -- 1200 W (monaural) at 4 ohms
Rated outputs (at 14.4V) -- 200 W x 2 (20 - 20kHz, 0.1% THD, at 4 ohms)
Rated outputs (at 14.4V) -- 250 W x 2 (20 - 20 kHz, 0.15% THD, at 2 ohms)
Rated outputs (at 14.4V) -- 500 W (monaural) (20 - 20 kHz, 0.15% THD, at 4 ohms)
Frequency response -- 5 Hz - 50 kHz (±3dB)
Harmonic distortion -- 0.01% or less (at 1 kHz, 4 ohms)
Input level adjustment range -- 0.3 - 6V (RCA pin jacks), 1.2 - 12V (High level)
Low-pass filter -- 50 - 300 Hz, -12 dB/oct
Low boost -- 0 - 10 dB (40 Hz)
Inputs -- RCA pin jacks, High level input connector
Outputs -- Speaker terminals, Through output pin jacks
Approximate measurements -- 15-3/4" x 2-1/4" x 10-7/8" (wxhxd) not including projecting parts and controls
Speaker impedance -- 2 - 8 ohms (stereo)
Speaker impedance -- 4 - 8 ohms (when used as a bridging amplifier)
Power requirements -- 12 V DC car battery (negative ground)
Power supply voltage -- 10.5 - 16 V
Current drain -- 48 A (at 4 ohms, rated output)
Weight -- Approx. 4.6 kg (10 lb 6 oz)
Dimensions -- Approx. 400 x 55 x 276mm