Technical specifications Output power RMS 1kHz, 1%THD 4 x 120W Distortion (THD) 1 kHz, 100V out (80% indicated power) 0,2% Dynamics > 90dB Operating frequency 32 Hz - 42 kHz Voltage gain 81 (38dB) Input sensitivity (V RMS) 1,23V (+4dB) Subsonic filter-3dB 32 Hz, 24dB / oct. Indicators (LED) signal, clip, ready, protect Regulators, switches front signal vol rear priority vol, priority HPF 240 Hz, priority mode ( auto/manual ), routing Cooling from front to back cooling fan with variable speed Protections limiter, subsonic, softstart, thermal, short circuit, overload Emergency power 24V DC +/- 17% or 14-20V AC Power supply 230V AC +10/-15%  Idle (230V AC) Current draw 420 mA Supply current at 1/8 rated power, pink noise 2,2 A Supply current at 1/3 rated power, pink noise 3,2 A Filter storage 40000uF Max output voltage 120-130V Max power dissipation 1200W Sockets input signal in, priority in, test in, ACCU (24VDC), fuse/mains output priority, control, output Slew rate 100V out, 25V / us Dimensions (W x H x D) 482 x 88 x 340 Net weight 21 kg Gross weight 22 kg Possible configurations 31V 4 x 120W / 8ohm 70V 4 x 120W / 40,8 ohm 100V 4 x 120W / 83,4 ohm Mains fuse 20A Input impedance unbalanced 10 kohm balanced 20 kohm ghjngh