MD-6 Passive Preamplifier Inputs: BalanceInputs1groupUnbalancedInputs1group Ontputs:BalanceOntputs1groupUnbalancedOntputs1group DistortionFactor:≤0.009% Signal-to-Noises:96dB Frequency: 5Hz 25KHz±1.5dB VoltageGain:9.5dBAMPLIFYFOURTIMES Volume:L42xW35xH30 Weight:7kg