IR receiver Dimensions W x D x H: 483 x 275 x 44 mm Frequency range: 20...25 000 Hz Input: 1×LineXLR (bal) 0dB/20 kOhm 5×LineRCA (unbal) 500 mV/10 kOhm 1×Mic1/4" jack/Screw ter (bal) -50 dB/600 Ohm Output: null / 0 dB 100 Ohm balanced - screw terminal "Euroblock" 0 dB 600 Ohm unbalanced - RCA Jack Power supply: 230 V/50 Hz Weight: 3.5 kg