| Brand | NAD |
|---|---|
| Amplifier Design | Class D |
| Number Of Channels | Stereo |
| Frequency Response | ±0.06 dB (20-20kHz) |
| Dirac Live® Room Correction | Yes |
| Watts RMS per Channel (Continuous) | 200W into 8 ohms; 380W into 4 ohms |
| Watts RMS per Channel (4 Ω) | >380W |
| Watts RMS per Channel (8 Ω) | 200 Watts |
| Bridge Mode Power Output | 700W continuous into 8 ohms |
| Input Sensitivity | Low gain: 4.5V, Mid gain: 2.5V, High gain: 1.4V |
| Input Impedance | Single-ended: 56 kohms + 200 pF; Balanced: 56 kohms + 200 pF |
| Signal-to-Noise Ratio | >101.7 dB (1W into 8 Ohm); >127 dB (200W into 8 Ohm) |
| Total Harmonic Distortion (THD) | <0.00069% (XLR), <0.0013% (RCA) |
| Number of Inputs | 2 |
| XLR Input | Yes |
| RCA Input | Yes |
| 12V Trigger | Yes |
| Warranty | Australian Manufacturer Warranty |

NAD M23 V2 Stereo Power Amplifier

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Details
NAD M23 V2 HybridDigital Stereo Power Amplifier stands as the result of more than five decades of amplifier engineering excellence from NAD Electronics. Built around NAD's custom implementation of second-generation Purifi Eigentakt amplifier modules, it achieves extraordinary linearity regardless of speaker load, while dramatically lowering distortion and noise. The outcome is breathtaking transparency, lifelike detail, and precise stereo imaging—even during demanding musical passages and at any volume level.
Power Without Compromise
Rated conservatively at 200W per channel into 8 ohms and 380W into 4 ohms, the M23 V2 delivers reference-level authority. With dynamic output reaching 260W (8 ohms) and 520W (4 ohms), it reproduces music with effortless impact and control, ensuring every transient and low-frequency punch is preserved.
Pure Performance Through Purifi
Continuing NAD's tradition of adopting breakthrough technologies, the M23 V2 integrates the latest Eigentakt™ Class D modules. Harmonic and intermodulation distortion are virtually nonexistent, while noise remains inaudible. Exceptionally low output impedance guarantees tight speaker control and consistent bass performance at any listening level.
Engineered to Lead
Combining ultra-low distortion, high damping factor, and rock-solid stability, the M23 V2 surpasses typical Class D designs. Its advanced switch-mode power supply enhances efficiency while eliminating the bulk and heat associated with conventional analogue amplifiers.


By combining the M33 streaming amplifier with the M23 power amplifier in bridged mode, listeners can configure a staggeringly powerful system with 700W per channel of continuous output, utilizing Purifi Eigentakt™ technology to virtually eliminate harmonic and intermodulation distortion.


This flexible amplifier architecture features auto-sensing balanced XLR and RCA inputs alongside a three-position adjustable gain control, ensuring seamless integration into high-performance separates systems while providing iron-clad control over any loudspeaker load.


Utilizing two M23 amplifiers in bridged mode creates a premium powerhouse capable of delivering 700W of continuous power into 8 ohms, offering transparent, detailed sound with pinpoint stereo imaging and wide, flat frequency response regardless of the loudspeaker load.
Flexible System Integration
With balanced XLR and RCA inputs, adjustable gain control, and intelligent 12V trigger connectivity, the M23 V2 integrates seamlessly into high-performance systems—especially alongside the NAD M66 BluOS Streaming DAC Preamplifier. Bridged mode operation provides 700W into 8 ohms, allowing users to create formidable mono-block configurations.
Masters Series Craftsmanship
Encased in NAD's signature all-alloy chassis from the NAD Masters Series, the M23 V2 reflects both visual elegance and structural integrity. Magnetic iso-point feet and rigid panels ensure stability for its intricate internal architecture, delivering beauty and performance in equal measure.
- Dynamic Power Output
- High Damping Factor
- Ultra-Low Distortion
- Load-Invariant Design
- Peak Output Current
- Magnetic Iso-point Feet
- Standby Mode
- Pairing with M33
- 12V Trigger Output with Delay
- Switch-Mode Power Supply
- Practical Elegance
- Gold-Plated Binding Posts
1
Technical Showdown: M23 vs. M23 V2 — Is it Worth the Upgrade?
The transition to V2 preserves the legendary Eigentakt™ core but optimizes the electrical interface for superior system synergy. While the headline power figures remain identical, the V2 introduces critical technical micro-evolutions that significantly impact real-world performance.
If you currently own the NAD M23, the move to V2 is an incremental gain rather than a total system overhaul. However, if you have recently upgraded to a flagship-tier preamp (like the NAD M66) or a high-voltage balanced DAC, the V2's optimized gain structure will allow you to run the system at a lower gain setting, effectively cleaning the signal path and revealing micro-details previously masked by the noise floor.
The Technical Evolution: Beyond the spec sheet, the M23 V2 improves the listening experience by perfecting the amplifier's load-invariant nature. It ensures that whether you are driving a 2-ohm dip or a high-impedance peak, the frequency response remains flat within ±0.06 dB, delivering a holographic soundstage that remains stable regardless of how complex the musical passage becomes.
2
I'm seeing a high floor of background hiss (noise) or, conversely, I have to max out my preamp volume to get a decent SPL. How do I optimize the M23's three-position gain control for my specific preamp?
The M23 offers three gain settings: 19dB (Low), 23.9dB (Mid), and 29.2dB (High). To maximize the black background and Signal-to-Noise Ratio (SNR) of >101.7 dB, you must match the M23 to your preamp's output voltage.
3
I want to run two M23s in Bridged Mode for a 'staggeringly powerful' 700Wpc, but I'm worried about stability and heat. Can I run 4-ohm speakers in this configuration?
Physics is a stern mistress. When you bridge the M23 into a mono-block, it delivers 700W continuous into 8 ohms. However, in bridged mode, each internal amplifier channel sees only half of the speaker's impedance. If you connect a 4-ohm speaker, the M23 effectively works against a 2-ohm load. While the Purifi modules are incredibly robust, check your speaker's minimum impedance curve; if it dips below 3 ohms, the M23 may trigger its protection circuitry during high-transient passages to prevent thermal runaway.
4
The M23 is in my equipment rack, but it misses the first few seconds of a track when I start playback because the auto-sensing input takes too long to wake up.
The M23 features auto-sensing inputs designed for convenience, but for a true high-performance separates system, you should bypass this. Use the 12V Trigger Input connected to your preamp or processor. This forces the M23 to wake up instantly when your system powers on, ensuring the Eigentakt modules are biased and ready before the first note of the overture hits.
5
My speakers have massive woofers, and I'm worried that 'back-EMF' will affect the amplifier's control. How does the M23 handle ultra-low impedance dips at 20Hz?
The M23 boasts a Damping Factor of >800 and extremely low output impedance. This means it has iron-clad control over woofer excursion. To maintain this performance, you must use high-current speaker cables. With a Peak Output Current of >25 A, thin-gauge wire acts as a resistor, effectively lowering that magnificent damping factor and making your bass sound muddy or slow.






























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