Parasound HALO A21 2x250W Power Amp

Continuous power output:
        250W RMS x 2, 20 Hz - 20 kHz, 8 Ω, all channels driven
        400W RMS x 2, 20 Hz - 20 kHz, 4 Ω, all channels driven
        750W RMS x 1, 20 Hz - 20 kHz, 8 Ω

Current capacity:  60 amperes peak per channel
Power bandwidth:   5 Hz - 100 kHz, 0/-3 dB at 1 wats
Total harmonic distortion;  < 0.2 % at full power
IM distortion: balanced 16 V rms < 0.04 %
Slew rate:  > 130 V/µsecond
Dynamic headroom:  > 1.5 dB
Interchannel crosstalk:  > 80 dB at 1 kHz;
                                  > 63 dB at 20 kHz
Input sensitivity:    1 V for 28.28 V, THX Reference Level
Input impedance:   33 k Ω unbalanced; 66 k Ω balanced
S/N ratio:  112 dB, input shorted, IHF A-weighted
Damping factor:  > 1100 at 20 Hz

Voltage:        110V - 230V

Dimensions: Width: (445 mm)
Height with feet:(194 mm)
Depth: (485 mm)

Net weight: 60 lb / 26.5kg