MOON 400M Power Amplifier

Features & Specs

POWERFUL

On the top end of the musical spectrum, the 400M delivers finesse, detail and refinement that can challenge your perception of reality vs. recorded music.

WITHOUT EQUAL

When used in conjunction with the 350P Preamplifier, the results are without equal. There isn’t a more refined combination at this price point. An ultimate combination for the discerning music lover, and for those who like to listen at higher sound levels.

KEY FEATURES

Of course, key features you’d expect in a MOON product are present such as 12V triggers and an RS-232 port for custom-install environments.

COMPLEMENTARY PRODUCTS

The MOON 390 is multi-function crossover type product that has the function of a modern network player (MiND 2), DAC, preamplifier, headphone amplifier, and phono stage. In other words, it provides the performance you want with the flexibility you need!

LEVEL UP

Add the MOON 860A v2 Power Amplifier will mate seamlessly with any loudspeaker allowing it to reach its full sonic potential, regardless of its load.

POWERFUL

On the top end of the musical spectrum, the 400M delivers finesse, detail and refinement that can challenge your perception of reality vs. recorded music.

WITHOUT EQUAL

When used in conjunction with the 350P Preamplifier, the results are without equal. There isn’t a more refined combination at this price point. An ultimate combination for the discerning music lover, and for those who like to listen at higher sound levels.

KEY FEATURES

Of course, key features you’d expect in a MOON product are present such as 12V triggers and an RS-232 port for custom-install environments.

COMPLEMENTARY PRODUCTS

The MOON 390 is multi-function crossover type product that has the function of a modern network player (MiND 2), DAC, preamplifier, headphone amplifier, and phono stage. In other words, it provides the performance you want with the flexibility you need!

LEVEL UP

Add the MOON 860A v2 Power Amplifier will mate seamlessly with any loudspeaker allowing it to reach its full sonic potential, regardless of its load.

More features

Expert Insight

The 400M Power Amplifier can take on virtually any loudspeaker you connect it to.

Steve K

Brand Manager

Product Description

Design features:

Fully balanced differential circuitry.
Precision matched proprietary MOON Bipolar output transistors for improved bass response and accurate sonic reproduction.
An oversized power supply using a custom proprietary toroidal transformer design.
A high damping factor yielding superior musical dynamics, improved signal speed & refined timbre accuracy.
“Class A” output to 10 watts for greater efficiency.
Optimized selection of very high quality electronic components.

Specifications:

Output Power at 8Ω - 400 W
Output Power at 4Ω - 650 W
Input Sensitivity - 800mV RMS
Input Impedance - 47,500Ω
Gain - 36dB
Signal-to-noise Ratio - 106dB @ full power
Frequency response (full range) - 10Hz - 125kHz +0/-3dB
THD (20Hz - 20kHz @ 1 W) - 0.02%
THD (20Hz - 20kHz @ 400 W) - 0.05%
Intermodulation distortion - 0.02%
Shipping weight - 33 lb / 15 kg
Dimensions (width x height x depth)

16.9 x 3.5 x 14.0 in - 42.9 x 8.9 x 35.6 cm

The following accessories should be included inside the box with your amplifier:

AC power cable
Owner’s manual
Warranty and product registration information (USA and Canada only)

400M_Manual

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MOON 400M Power Amplifier