Analog inputs & output; XLR & DB25 (balanced) Maximum input & output gain 28 dBu Input impedance 10 kΩ Output impedance 82 Ω Common mode rejection (1 kHz) 70 dB Frequency range (-3 dB) 10 Hz – 220 kHz THD + N (A-weighted, +10 dBu, all channels active) -104 dBu Noise (A-weighted, all channels active) -97 dBu Crosstalk (1 kHz, +10dBu) -90 dB Dynamic range 125 dB Internal Linear Power Supply with Shielded Toroidal Transformer Operating voltage for analog audio +/- 30 V Operating voltage for relays and LEDs +12 V Mains Power Supply Mains voltage 230 V (selectable) 230 V AC / 50; 115 V AC / 60 Hz Fuse for 230 V T 315 mA Fuse for 115 V T 630 mA Power consumption max. 36 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 3.55 kg 7.83 lbs Shipping weight (incl. packaging) 4.9 kg 10.8 lbs