Power amplifier LA-600 8 European Stereo Power 8 Power Stereo: 650W 4 European stereo power 4 Power: Stereo 900W Euro 2 stereo power 2 ohms Stereo Power: 1000W frequency response frequency response: 10HZ-20KHZ total harmonic distortion, total harmonic Distortion:< 0.05% signal to noise than the singal noise Ratio:> 105dB conversion rate of slew Rate:100V/u s input resistance input Impedance:50K Omega input sensitivity input sensitivity 0.775v borscht overheat, short circuits, DC, limit and softstart, output Relay-Zero current switch, intellectual clip limiter (overheating, short circuit, DC, limit and soft start, relay output zero current switching, intelligence clip limiter) packing size packing Dimensions:650 X of 585 x 220mm