Analog inputs & output; XLR (balanced) Maximum input & output gain 32.5 dBu Input impedance 10 kΩ Output impedance 75 Ω Frequency range (-3 dB) 20 Hz – 70 kHz THD + N (10 Hz – 22 kHz, 30 dBu) 0.008 % Noise (A-weighted, 150 Ω, 30dB Gain) -87.5 dBu Noise (A-weighted, 150 Ω, 60dB Gain) -69.7 dBu E.I.N. (150 Ω) -129.7 dBu Common mode rejection (1 kHz) 80 dB Internal Linear Power Supply with Shielded Toroidal Transformer Operating voltage for analog audio +/- 60 V Operating voltage for relays and LEDs + 12 V Mains Power Supply Mains voltage (selectable, see fuse chamber) 230 V AC / 50; 115 V AC / 60 Hz Fuse for 230 V T 1.6 A Fuse for 115 V T 3.15 A Power consumption 230 V: 60 W, 115 V: 80 W Dimensions & Weight W x H x D (width x height incl. feet x depth) 482 x 132 x 300 mm 19 x 5.2 x 11.8 inch Unit weight 9.5 kg 20.94 lbs Shipping weight (incl. packaging) 12.25 kg 27.01 lbs