Fantastic sounding amplifier, much punchier sounding than the specs suggest which is common for NAD. Very good phono stage on this amp as well, overall unbeatable for the price.

SPECIFICATIONS:

Dimensions (W x H x D): 17 1/8" x 3 9/16" x 11 1/4"

LINE IN / HEADPHONE OUT
THD (20 Hz – 20 kHz): <0.03 % in 300 ohms at 2 V out
Signal-to-Noise Ratio: >100 dB (A-weighted, 32 ohms, ref. 2V out, unity gain)
Frequency response: ±0.3 dB (20 Hz – 20 kHz)
Output impedance: 8 ohms

LINE IN / SPEAKER OUT
Continuous output power into 8 ohms and 4 ohms: 40W (ref. 20 Hz-20 kHz at rated THD, both channels driven) THD (20 Hz – 20 kHz) <0.03 % (250 mW to 40 W, 8 ohms and 4 ohms)
Signal-to-Noise Ratio: >95 dB (A-weighted, 500 mV input, ref. 1 W out in 8 ohms) / >97 dB (A-weighted, 500 mV input, unity gain in 32 ohms)
Clipping power (at 1 kHz 0.1 % THD): >45 W in 8 ohms / >60 W in 4 ohms
IHF dynamic power: 8 ohms: 90 W / 4 ohms: 120 W / 2 ohms: 170 W
Damping factor: >200 (ref. 8 ohms, 1 kHz)
Frequency response: ±0.3 dB (20 Hz – 20 kHz, Tone Defeat ON) Treble: ± 5dB at 10 kHz Bass: ± 8 dB at 100 Hz Channel separation >70 dB (1 kHz)
Maximum input level: 4.3V (1 kHz THD 0.1%)
Input sensitivity (for 40 W in 8 ohms): 200 mV
Standby power <0.5 W

PHONO IN / SPEAKER OUT
THD (20 Hz – 20 kHz): <0.03 % (1 W to 40 W, 8 ohms and 4 ohms)
Signal-to-Noise Ratio: >75 dB with IHF MM cartridge (A-weighted, ref. 5mV input 1 kHz and 1W output in 8 ohms)
Frequency response: (RIAA deviation) +0.3 dB (20 Hz – 20 kHz, Tone Defeat ON)
Maximum input level: 71 mV (1 kHz THD 0.1%)
Input sensitivity (for 40 W in 8 ohms): 2.95 mV