Analog input & output; XLR (balanced) Maximum output level 32.5 dBu Input impedance 10 kΩ Output impedance 75 Ω Frequency range (50 dB Gain, -3dB) 20 Hz – 100 kHz THD + N (10 Hz – 22 kHz, 30 dB Gain) 0.0036 % THD + N (10 Hz – 22 kHz, 70 dB Gain) 0.32 % Noise (A-weighted, 150 Ω, 30 dB Gain) - 89.2 dBu Noise (A-weighted, 150 Ω, 70 dB Gain) - 51.7 dBu Equivalent Input Noise (EIN, 70 dB Gain, 150 Ω) -121.7 dBu Common mode rejection (1 kHz, 30 dB Gain) 79 dB Internal Linear Power Supply with Shielded Toroidal Transformer Operating voltage for audio electronics +/- 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 0.5 A Fuse for 115 V T 1 A Power consumption max. 17.7 VA Dimensions & Weight W x H x D (width x height x depth) 482 x 88 x 300 mm 19 x 3.46 x 11.8 inch Unit weight 6.1 kg 13.45 lbs Shipping weight (incl. packaging) 7.5 kg 16.54 lbs