Analog Input & Thru: XLR (balanced) Input impedance (THRU not connected) 20 kΩ Common mode rejection (THRU not connected) -82 dB Input sensitivity 6 dBu Loudspeaker Outputs: Binding posts with ø4mm cable hole (screwable) and banana plug Output power (RMS, 4 Ω) 2 x 285 W Output power (RMS, 8 Ω) 2 x 185 W Harmonic distortion (1 kHz, 8 Ω) < 0.03 % Output power (RMS, 8 Ω, Bridge Mode) 450 W Harmonic distortion (1 kHz, 8 Ω, Bridge Mode) < 0.011 % Output voltage (peak to peak) 74 V Output voltage (peak to peak, Bridge Mode) 180 V Output voltage (RMS) 35 V Output voltage (RMS, Bridge Mode) 86 V Output impedance (20 Hz – 20 kHz) < 0.031 Ω Output impedance (20 Hz – 20 kHz, Bridge Mode) < 0.043 Ω Amplification gain 26 dB Amplification gain (Bridge Mode) 32 dB Damping factor (1 kHz, 8 Ohm) > 300 Damping factor (1 kHz, 8 Ohm, Bridge Mode) > 190 Frequency range (-3dB) 10 Hz – 80 kHz Noise (A-weighted) -123 dBu Internal Linear Power Supply with Shielded Toroidal Transformer Toroidal transformer 875 VA Operating voltage (Input stage) +/- 60 V Operating voltage (power stage) +/- 60 V Operating voltage for relays, LEDs, AMP CTL + 12 V Mains Power Supply Mains voltage (selectable, see fuse chamber) 230 V AC / 50; 115 V AC / 60 Hz Fuse 230 V T 4 A Fuse 115 V T 8 A Power consumption max. 875 VA Idle power consumption 40 W Stand-by power consumption < 0.3 W Dimensions & Weight W x H x D (width x height incl. feet x depth) 278 x 100 x 342 mm 11 x 4 x 13.5 inch Unit weight 12.8 kg 28.2 lbs Shipping weight 14 kg 30.9 lbs