Amps per FP-UBC2: 2 identical circuits (stereo or dual mono operation)Gain: -5 dB to +10 dB (adjustable relative to +4 dBu output for ???10 dBV input); (separate controls for each channel)Input Level: -20 dBV to -5 dBV (for +4 dBu output)Input Impedance: 10 kΩInput Configuration: UnbalancedOutput Impedance: 150 Ω balanced, drives 600 Ω or 10 kΩ linesOutput Configuration: Balanced or unbalancedFrequency Response: 20 Hz to 40 kHz (+/- 0.25 dB)THD+N: <0.05%; typ. 0.01% (1 kHz)IMD: <0.02%Output Level: +4 dBuHeadroom: 18 dB (at rated output level of +4 dBu)Noise: <-85 dB referred to +4 dBu (20 Hz to 20 kHz)Crosstalk: Better than 70 dB (20 Hz to 20 kHz); <-80 dB (typ. 1 kHz)Power Requirement: GROUND-REFERENCED, 24 Vdc @ 50 mADimensions:Height: 1.29 in. 3.28 cmWidth: 3.25 in. 8.26 cmLength: 4.07 in. 10.34 cmAmbient Operating Environment:0 C to 55 C