Analog inputs & outputs; XLR (balanced) Maximum input gain 21 dBu Input impedance 22 kΩ Maximum output gain 21 dBu Output impedance 100 Ω Common mode rejection (1 kHz) 80 dB Frequency range (-3 dB) 10 Hz – 100 kHz THD + N (0 dBu, 10 Hz – 22 kHz) -90 dB Noise (A-weighted) -97 dBu Dynamic range 118 dB Internal Linear Power Supply with Toroidal Transformer Operating voltage for analog audio +/- 15 V Operating voltage for relays and LEDs + 12 V Mains Power Supply Mains voltage (selectable) 230 V AC / 50; 115 V AC / 60 Hz Fuse for 230 V T 200 mA Fuse for 115 V T 400 mA Power consumption max. 15 W Dimensions & Weight W x H x D (width x height x depth) 482 x 44 x 237 mm 19 x 1.73 x 9.33 inch Unit weight 3.2 kg 7.27 lbs Shipping weight (incl. packaging) 4.45 kg 9.81 lbs