SKU: 27254125173

NAD M28 Seven Channel Power Amplifier

$3599.55 $3999.50
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Description

NAD M28 Seven Channel Power AmplifierNAD M28 Seven Channel Power Amplifier Completely immerse yourself in the moment with Purifi. Purifi Hybrid Digital Amplification NAD M28 Seven Channel Power Amplifier uses Eigentakt amplifier technology, manufactured by NAD in license from Purifi. This new technology, which NAD was the first to embrace for the M33 Masters Series Streaming Amplifier, adds another level of precision by taking into account previously unknown effects of the output filter

NAD M28 Seven Channel Power Amplifier

Completely immerse yourself in the moment with Purifi™.

Purifi Hybrid Digital Amplification

NAD M28 Seven Channel Power Amplifier uses Eigentakt™ amplifier technology, manufactured by NAD in license from Purifi. This new technology, which NAD was the first to embrace for the M33 Masters Series Streaming Amplifier, adds another level of precision by taking into account previously unknown effects of the output filter in the feedback loop and further refinement of the self-oscillating Class D technology as used by previous NAD Hybrid Digital designs. The result is a performance level that approaches the theoretical limit in measured performance, be it at whispering levels or at full power.

In common with the previous generations of NAD Hybrid Digital technology but unlike most class D amplifier designs, the M28 is impervious to the loudspeaker load it is presented with, maintaining the same wide and even bandwidth response irrespective of the speaker’s impedance and at the same time providing high current capability. The continuous 200W into 8 ohms on tap for all channels driven at the same time and 700W dynamic power into 4 ohms is testament to this.

Inherent to the Eigentakt™ technology is its very analogue-like behaviour in the unlikely event the amplifier is driven into clipping. Whereas many class D designs can become unstable, Eigentakt™ behaves in a way similar to the benign way of clipping with instant recovery of well executed traditional class A/B amplifiers.

The sonic character of the M28 only reinforces the story told by the numbers. This is an amazingly powerful and transparent amplifier bringing new levels of refinement and dynamics at any level.

Fully Balanced Audio

The same efficient audio interface used by studios provides the highest level of signal integrity with the lowest noise floor.

Locking connectors and special interface electronics allow long cable runs without noise pickup or signal loss. All you get is awesome sound without the possibility of noise pickup or interference.

Effortless Power

As our most powerful amplifier ever, the M28 can pump out over 700W into difficult loads to follow complex dynamic peaks in your movies and music. Everything from rim shots to asteroid explosions sound remarkably real and immersive.

The M28 has power reserves to meet the demands of the latest high-resolution digital soundtracks. Thanks to the advanced Purifi Eigentakt™ amplifier technology, all this monster power comes at a lot less cost than traditional technology and delivers more power and performance!

 

OVERALL SPECIFICATIONS

  • FTC power, two channels
  • ≥ 220 W (ref. rated THD, 8 Ohms , 20 Hz – 20 kHz, two channels driven)
    ≥ 400 W (ref. rated THD, 4 Ohms , 20 Hz – 20 kHz, two channels driven)
  • Rated power, all channels
  • ≥ 200 W (ref. rated THD, 8 Ohms , 20 Hz – 20 kHz, all channels driven)
    ≥ 340 W (ref. rated THD, 4 Ohms , 20 Hz – 20 kHz, all channels driven)
  • Rated THD (250 mW to rated power, CCIF IMD, DIM 100)
  • ≤0.003 % (ref. 20 Hz – 20 kHz)
  • IHF dynamic power
  • 280 W 8 Ohms, (all channels driven)
    560 W 4 Ohms, (one channel driven)
  • Damping factor
  • 1.3 V (ref. rated power)
  • Input impedance
    Input Impedance (r and c)
  • 47 kΩ (Balanced)
    23 kΩ (Single-ended)
  • >118dB (ref. rated power)
  • Damping Factor
  • >750dB (ref. 8 Ohms, 50Hz and 1kHz)
  • Frequency Response
  • ±0.1dB (ref. 20Hz-20kHz)
  • -2.5dB at 3Hz and 100kHz
  • Input Impedance
  • 47 kilohm (Balanced)
  • Signal/noise ratio
  • > 102dB (A-weighted ref. 1W, Balanced)
    > 97 dB (A-weighted ref. 1W, Single-ended)
    > 124 dB (A-weighted ref. rated power, Balanced)
    > 120 dB (A-weighted ref. rated power, Single-ended)
  • Frequency response
  • ± 0.1 dB (ref. 20 Hz – 20 kHz)
    – 3 dB at 3 Hz to 60 kHz
  • Time to go to Standby mode at no input signal
  • ≤ 30 minutes
  • Standby power
  • ≤ 0.5W

DIMENSIONS AND WEIGHT

  • Gross dimensions WxHxD
  • 435 x 156 x 380 mm (17 3/16 x 6 3/16 x 15”)
  • Shipping Weight
  • 21.2 kg (46.7 lbs)
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 27254125173

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4.9 ★★★★★
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Product Reviews
K
Karen
Houston, US
★★★★★ 5
Overall very satisfied.
Color: Walnut
The TV stand is very simple to assemble and most people should be able to complete it in a little while, as several steps may require a second person. The unit itself is very sturdy and a little larger than I expected. The sliding "door" does require a little force to move, but furniture wax should do the trick nicely.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 9, 2026
A
Anna Marie
Chelsea, US
★★★★★ 5
Beautiful quality made tv stand.
Color: Walnut
Beautiful TV stand. Easy to assemble. I took a chance on this stand matching the new end tables I got from a different store and manufacturer. They match perfectly. I couldn't be happier with the color of the wood, the quality construction and minimalist clean look. It looks great in my living room.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 9, 2026
K
kawaiikitty
Lowell, US
★★★★★ 5
Modern and sleek
Item Package Quantity: 1
I haven't assembled this yet but I'm really looking forward to using it as a nightstand - the style looks really sleek and modern and it seems like it'll fit perfectly in a small space. It's worth noting that it's made of particle board rather than solid wood, which is pretty standard at this price point, so just go in with that expectation. The design looks really clean and the storage shelf underneath is a practical bonus. Hoping it holds up well over time but based on first impressions and the overall look, I think it's going to be a really nice and affordable addition to the bedroom!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 22, 2026
A
Ad Nauseam Pontificator
Charlottesville, US
★★★★★ 3
Decent looking but not very sturdy
Item Package Quantity: 1, Item Package Quantity: 1
This table looks pretty nice once it is fully assembled and I appreciated that all the parts were clearly labeled. There were no missing parts, and in fact there were some extras. That made the instructions easier to follow and helped speed things up. From unpacking everything to finishing assembly it took me around 30 minutes. There are a few quality issues though. The black finish feels very thin and started chipping around the screws while I was tightening them down. It does not seem like it will hold up very well over time if it already shows wear during assembly. The biggest issue is the stability. Even after tightening everything, the table still feels a little shaky. The set screws near the bottom base pieces do not stay tight for very long and kept loosening while I was putting it together. I assembled it by myself and the legs kept shifting and falling over because those connections would not stay secure. This is definitely easier if you have another person helping. The packaging also could have been better. The box had a lot of particle board dust and debris inside, so unpacking everything was a bit messy. The item description says it can hold up to 66 pounds, but after putting it together I personally would not trust it with anywhere near that much weight. I originally planned to use it for a small aquarium that weighs around 20 pounds, and even that made me uncomfortable once I saw how flimsy the table felt assembled. I think it is better suited for lightweight items and I'd only store something like a couple of books or a lightweight lamp or a couple of picture frames. Overall it is not terrible and it does look reasonably attractive, but the build quality does not really match the current fifty dollar price in my opinion. It should be priced lower. It works for light decorative use, but I would not expect anything especially sturdy or long lasting.
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Reviewed in the United States on May 26, 2026
K
Kathy
Lowell, US
★★★★★ 5
Solid table
Item Package Quantity: 1
Good size! Would be easier with 2 people putting in together- if you follow directions! Cute table!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2026

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