Inputs (2):10 kΩ balanced or unbalanced, bridgingInput Signal:-20 dBu (-22 dBV) to +6 dBu (for normal output level: +4 dBu, 100 ??) -10 dBu to +16 dBu (for 250 mW, 8 Ω output)Output Load Impedance:8 Ω to 5 kΩ (drives low or high impedance headphones)Output Signal (normal rated):+4 dBu into 100 ΩOutput Signal (maximum):250 mW into 8 Ω, 20 Vp-p into 2 kΩTHD+N: