6 discrete Radial JDI DI"s in a one RU 19" unitJensen transformer equippedExceptionally low distortionHigh level handlingFront and back connectionsOptional hook-up extension panels-15dB pad for extra-hot signals8kHz HF roll off filter switch on channels 1 and 2Polarity reverse switch flips phase 180 at the XLR outputGround lift switch lifts pin 1 at the XLR outputFront 1/4" input connectorsFront 1/4" thruput connectors on channels 1 & 2Merge function switch on channels 1 & 2Input selector switch