NAD Master Series M28 Seven Channel Power Amplifier 7×200
The NAD M28 Seven Channel Power Amplifier is a reference-grade multichannel amplifier engineered for serious home theatre performance. Featuring seven channels of Purifi Eigentakt™ amplification, it delivers 200W per channel with exceptional clarity, control and ultra-low distortion. Designed to handle demanding systems with ease, it combines powerful dynamics with refined detail for a truly immersive experience. With balanced XLR inputs, flexible integration and a compact, rack-friendly design, the M28 offers reliable, future-ready performance—bringing cinematic scale, precision and musicality to every listening moment.
Available with Professional installation in NY, NJ, and CT – Powered by Sound Waves .
The M28 Seven Channel Power Amplifier is the most powerful amplifier NAD has ever built, and its most refined. It features seven channels of Purifi Eigentakt™ amplification, implemented by NAD with exacting precision.
The result is an amp that combines explosive dynamics with surprising nuance, delivering both muscle and finesse in equal measure. Designed for serious home theatre, the M28 brings clarity, scale, and control to even the most demanding multichannel systems.
Experience the finesse and headroom of a reference-grade amplifier, without the bulk or heat.
Key Features
- 700W dynamic power into 4 ohms for multi-channel performance
- 200W per channel with all 7 channels driven
- Purifi Eigentakt™ amplification for precise detail and control
- Flat frequency response across all speaker loads
- Virtually unmeasurable distortion and noise
- 120dB signal-to-noise ratio for high clarity
- Fully balanced XLR inputs for clean signal transmission
- Graceful overload behaviour to avoid harsh clipping
Unshakable Power with an NAD Signature
With 200W of continuous power across all seven channels and dynamic peaks exceeding 700W, the M28 delivers both authority and composure.
Using Purifi Eigentakt™ modules, it achieves exceptionally low distortion and maintains clarity even under heavy load, preserving detail from subtle passages to powerful crescendos.
Transparency that Draws You In
With seven precisely timed channels, the M28 creates a surround experience with clarity and scale. Dialogue remains centred while effects and instruments stay accurately placed.
Its neutral presentation ensures no added colour, allowing every element of the performance to be heard as intended.
Designed to Belong
The M28 includes balanced XLR and unbalanced RCA inputs, rugged binding posts, and a compact rack-friendly design.
A 12V trigger input enables seamless integration with AV processors and control systems, making it ideal for advanced installations.
Built Like a Benchmark
The M28 is engineered for long-term performance with a compact, efficient design that fits into high-end systems.
By separating amplification from processing, it remains relevant as formats evolve, delivering consistent, studio-grade output over time.
Overall Specifications
| FTC power (2 channels) |
≥220 W (8Ω) ≥400 W (4Ω) |
| Rated power (all channels) |
≥200 W (8Ω) ≥340 W (4Ω) |
| Rated THD | ≤0.003% |
| IHF dynamic power |
280 W (8Ω) 560 W (4Ω) |
| Input sensitivity | 1.3 V |
| Input impedance |
47 kΩ (Balanced) 23 kΩ (Single-ended) |
| Damping factor | >750 |
| Frequency response | ±0.1 dB (20 Hz – 20 kHz) |
| Extended frequency response | -3 dB (3 Hz – 60 kHz) |
| Signal-to-noise ratio |
>102 dB (Balanced, 1W) >97 dB (Single-ended, 1W) >124 dB (Balanced, rated power) >120 dB (Single-ended, rated power) |
| Auto standby time | ≤30 minutes |
| Standby power | ≤0.5 W |
Dimensions & Weight
| Dimensions (W Ă— H Ă— D) | 435 Ă— 156 Ă— 380 mm |
| Shipping weight | 21.2 kg |
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