Leitch 2U rack model FR-884 in full working orderInstalled with below 2x 884PS power supplies (1 is backup redundancy one)12x ASD-880 LO Z analogue stereo balanced audio distribution amplifier cards (ADAs) . NOTE these are the low impedenace 66W (66ohm)version as recommended as AES recommendations 1708 for easy integration or analogue audio into AES audio setupsconnectiors on the back are 3pin push in ones (easy to get)EACH DA cardgive you 2x analogue inputs (balanced stereo)and 4x analogue outputs per channelGain options are variable for each channel form -6db to +33db via jumpers and gain pot Hum and Null adjustable for each channel alsoFULL datasheet is here (opens in new window)