Analog Input Adjustments:Balanced input sensitivity without attenuation 0 dBFS*1 = 1 dBV*2, input impedance 20 kOhm Unbalanced input sensitivity without attenuation 0 dBFS*1 = 1 dBV*2, input impedance 100 kOhm Analog attenuation available in three steps of -3 dB, -6 dB and -12 dB for an input sensitivity of 0 dBFS = 4 dBV, 7 dBV or 12dBV respectively