AUDIOPHONICS MPA-M400NC Power Amplifier Class D Mono NCore NC400 1x400W 4 Ohm

Audiophonics PA-M400NC Class D Mono Amplifier 1x400W 4 Ohm NCore
We are proud to offer you the MPA-M400NC, a mono amplifier based on the NC400 amplifier module with its dedicated SMPS600N400 power supply, which is an amplification solution with a formidable power reserve.

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Shipping date: 05-03-2024.

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Audiophonics MPA-M400NC

Class D amplifier mono NCore NC400 1x400W 4 Ohm


We are proud to present the MPA-M400NC, a mono amplifier based on NC400 amplifier module with its SMPS600N400 dedicated power supply. This block constitutes an amplification solution having a formidable reserve power (up to 400W) while fully respecting the amplified signal. It is ideally suited for large listening rooms, or for studio applications requiring considerable headroom without compromising on precision intermediate volume.

The assembly is integrated in a 100% aluminum simple and robust housing with heat sinks. The latter has a simple design and excellent ability to block interference while effectively dissipating heat.

Amplification module NCORE NC400


The amplifying circuit operates a NC400 Hypex module. This class D module provides ample power while meeting high fidelity standard (power up to 400W THD 1% with a load 4Ω

The circuit is designed so that the signal flows only in a path in discrete component. This helps prevent the uptake of noise from the protection & control system controlled by an onboard microprocessor.

With its current capacity of 22A and its impedance in very low output (Typ: 0.6 / Max 2.5), this amplification module is ideal for amplification requesting high power without altering or compromising the audio precision.

Hypex SMPS600N400 Power Supply


The amplification module NC400 is powered by switching power supply module Hypex SMPS600N400. This model has been specially designed to get the best performance of the NC400 module. This switching power supply offers the advantage of reduced weight (300g) and a very low emission of EMI disturbances. A wide buffer stage composed of electrolytic capacitors ensures excellent responsiveness, ideal for developing the whole dynamic of the amplifier.

The circuit is further equipped with an advanced protection against overcharging. The latter can automatically moderate the output voltage in case of overload. This will delay the arrival of hoquètements - or even avoid them altogether if the overload is short.


PA-M400NC Connector

The MPA-M400NC has a 3-pole XLR input on a Neutrik NC3FAH2 plug and an RCA input, the selection of the source being done with a switch placed between the two inputs.

The mono output of the amplifier is on 24K gold-plated ELECAUDIO BP-209 speaker terminals. These accept conductors up to ⌀4.4mm and can work with bare wire, banana plugs as well as forks.

A bistable button allows the mono block to be powered up immediately. When used in a stereo configuration (one MPA-M400NC block per channel), this power button makes it easy to temporarily silence one of the two channels to adjust speaker positioning and work out time correction details.

Finally, the MPA-M400NC offers the 5-12V trigger function, via a 3.5mm jack. Thus, it will be possible to integrate it within a system and to automate the ignition of your devices when receiving a 5-12V signal.

This amplifier's trigger needs to be used with a mono trigger cable (sold separately).

Type amplificationClass D
Power / channel2Ω, 1kHz, THD = 1%: 580W
4Ω, 1kHz, THD = 1%: 400W
8Ω, 1kHz, THD = 1%: 200W
Channelsx1 (single block)
Audio inputsXLR 3-pin
Audio outputBinding posts
Operational amplifierDiscrete
Frequency response0 / -3dB, 0-50kHz
Input sensitivityXLR : 2.05V
RCA : 4.1V
Framebrushed aluminum
Dimensions141 x 357 x 65mm
Power supplyAC 110 / 230V (Automatic detection of input voltage)
Package Contents
MPA-M400NC Amplifierx1
Cord angled sector (3x1.5mm²)x1


THD stat NC400 hypexTHD stat N.C.400 hypexDistorsion NC hypex
Data sheet
OutputSpeaker terminal
Channel1 (Mono)
ClassClass D / T
Amplifier chipHypex Ncore
Power (W)400.0
Remote ControlNo

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Average votes
5.0 / 5
1 reviews
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MPA-M400NC for central duty
First impression very nice unit & clean build. Sound wise (in comparison to an anthem mrx710 and parasound a21 ) it pushes the sound out from the speaker with authority and punch. The higher the volume is up the more it seems to like it and play effortless, distortion seems inaudible but this is just after few hours and Im pretty convinced it works very well both for HT and fact considering a second unit to use the 2 mono on front speakers (when budget allows it lol)
This review has been posted for AUDIOPHONICS MPA-M400NC Power Amplifier Class D Mono NCore NC400 1x400W 4 Ohm
AUDIOPHONICS MPA-M400NC Power Amplifier Class D Mono NCore NC400 1x400W 4 Ohm
We are proud to offer you the MPA-M400NC, a mono amplifier based on the NC400 amplifier module with its dedicated SMPS600N400 power supply, which...

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