2-Channel Class A/B Mosfet Power Amplifier 2x 200 Watts RMS @ 4 Ohm Stereo 2x 280 Watts RMS @ 2 Ohm Stereo 1x 560 Watts RMS @ 4 Ohm Mono 2-Ohm stable Frequency Response: 10Hz - 40kHz The Output power is measured by 12,5 Volt/1kHz S/N R.>100dB THD: 0,02 % Var. 18dB Highpass 50Hz - 750Hz Var. 18dB Lowpass 30Hz - 120Hz Bass Boost at 45Hz 0 - 18dB Subsonic 20Hz - 50Hz Volt Meter LED Level Display Digital Volt Display Cobalt Blue Illumination Digital Volt Display Line Output 3-way protection Circuitry Dimensions (LxWxH): 15 1/8 x 12 3/4 x 2 3/8 inch