NAD Masters Series M23 HybridDigital Stereo Power Amplifier
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The NAD Masters M23 HybridDigital stereo power amplifier features Purifi's Eigentakt amplification technology - a once-in-a-decade amplifier innovation that will define the pinnacle of power and performance in the category for years to come. Building on NAD's longstanding tradition in identifying and developing cutting-edge amplification technology, the M23 provides nearly immeasurable distortion, ultra-high damping factor, and unconditional stability with any loudspeaker.

Pure Sound, Incredible Power
The Masters M23 HybridDigital™ Stereo Power Amplifier takes pure sound to new heights. 200 WPC of Purifi Eigentakt™ amplification provides nearly inaudible levels of noise, immeasurable harmonic and IM distortion, and the ability to hear micro-detail against a black background. The M23 has the ability to provide 2x260W of dynamic power into 8 ohms and 2x520W into 4 ohms. Its load-invariant design provides additional reserves of current when needed, allowing it to effortless power any high-performance system with amazing efficiency. Extreme low distortion, ultra-high damping factor and rock-solid stability with any loudspeaker make the M23 outperform predecessors in efficiency and reliability.

Easily integrate the NAD Masters M23 Stereo Power Amplifier into a high-performance separate system with its single-ended RCA, balanced XLR auto-sensing inputs, three-position gain-control switch, and 12V trigger input. The M23 can operate in bridged mode, delivering 700W continuous power into 8 ohms. Two M23 amplifiers operating in bridged mode can be paired together, or listeners can combine the M23 with NAD’s award-winning Masters M33 BluOS Streaming Amplifier, both operating in bridged mode, to configure a staggeringly powerful system with 700Wpc continuous output.


  • HybridDigital™ Purifi Eigentakt™ amplifier technology
  • Continuous Power Output: 2x200W into 8 ohms; 2x380W into 4 ohms
  • Dynamic Power Output: 2x260W into 8 ohms; 2x520W into 4 ohms
  • Bridged Power Output: 700W mono continuous into 8 ohms
  • Virtually immeasurable noise, harmonic distortion, intermodulation distortion
  • Wide, flat frequency response into any loudspeaker load
  • Balanced (XLR) and single-ended (RCA) auto-sensing inputs
  • Three-position adjustable gain control
  • 12V trigger input


  • Input impedance (R and C): Single-ended: 56 kohms + 200 pF Balanced: 56 kohms +200 pF
  • Frequency response (1W into 8 Ohms): ±0.06dB (20-20kHz)
  • Rated output power into 8 Ohms and 4 ohms (Stereo mode) 80 W (ref. 20 Hz-20 kHz at rated THD, both channels driven): >200W into 8 Ohm, >380W into 4 Ohm
  • Rated output power into 8 Ohms (Bridge mode, ref. 20 Hz-20 kHz at rated THD, both channels driven): >700W into 8 Ohm
  • THD (20 Hz – 20 kHz): <0.00069% (XLR), <0.0013% (RCA)
  • Signal-to-Noise Ratio: >101.7 dB (1W into 8 Ohm) | >127 dB (200W into 8 Ohm)
  • Clipping power (Stereo mode, at 1 kHz 0.1 % THD): >210 W (0.1 % THD 1 kHz 8 ohms)
  • Clipping power (Bridge mode, at 1 kHz 0.1 % THD): > 770W
  • IHF dynamic power (Stereo mode, at 1 kHz): 8 ohms: 260 W | 4 ohms: 520 W
  • IHF dynamic power (Bridge mode, at 1 kHz): 1017W
  • Peak output current: >25 A (in 1 ohm, 1 ms)
  • Damping factor: >800 (ref. 8 ohms, 20 Hz to 6.5 kHz)
  • Frequency response: ±0.06 dB (stereo), ±0.054 dB (bridged) 20 Hz -20 kHz -3 dB at 60 kHz
  • Channel separation: High gain RCA: >97dB, Low gain XLR: >115dB (1kHz) | High gain RCA: >75dB, Low gain XLR: >96dB (10kHz)
  • Stereo Mode input sensitivity (for 200 W in 8 ohms): Low gain: 4.5V (low gain), 2.5V (Mid gain), 1.4V (High gain)
  • Stereo Mode Gain: 19dB (low), 23.9dB (mid), 29.2 (high)
  • Bridge Mode Gain: 25.1dB (low), 30dB (mid), 35.2 (high)
  • Standby Power; <0.5W
  • Gross dimensions (W x H x D): 435 x 133 x 396 mm (17 1/8 x 5 1/4 x 15 5/8 inches)
  • Net Weight: 9.7 kgs / 21.4 lbs
  • Shipping Weight: 17.5 kgs / 38.5 lbs



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