Max. power output* into 4 Ω 2 x 180 W / 1 x 500 W RMS power output** into 4 Ω 2 x 90 W / 1 x 250 W Max. power output* into 2 Ω 2 x 250 W RMS power output** into 2 Ω 2 x 125 W Frequency response 5 Hz - 50 kHz (-3 dB THD < 0,05 % (1 kHz Signal-to-noise ratio > 100 dB Input sensitivity 0,4 V - 4 V Input impedance 20 kOhm Power impedance 12 V minus an Masse Weight 2,8 kg Highlights 2 ohm stable Variable low pass 40 - 300 Hz (12 dB per octave) Variable high pass 40 - 300 Hz (12 dB per octave) Variable bass boost 0 ... 15 dB at 45 Hz Subsonicfilter 15 Hz (12 dB per octave) Channel mode selector switch Gold plated low level RCA inputs and outputs Encapsulated and gold plated power and speaker connectors Bridge- / Tri-mode capability Protection circuit that safeguards against short circuits, DC-offset and overheating Green operation and red protection indication LED Harmonic distortion spectrum