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Product Description

Line Circle
The 400M Power Amplifier delivers exceptional power and precision, effortlessly driving even the most demanding loudspeakers with deep, authoritative bass and refined, detailed highs. Its fully balanced differential circuitry and proprietary MOON Bipolar output transistors ensure superior sonic accuracy and dynamic range, making it a perfect match for audiophiles seeking a premium listening experience. Paired with the 350P Preamplifier, this amplifier provides an unmatched combination of performance and refinement, setting a new standard for high-end audio systems.
Get the Details

Features & Specs Line Circle

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.

Expert Insight

Line Circle

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

Expert Img
Mike Chapman
Brand Manager

Details

Line Circle

Moon 400M Power Amplifier

The 400M Power Amplifier delivers extreme power while maintaining the delicacy and articulation of the finest amplifiers. It can drive virtually any loudspeaker with ease, providing a punchy bottom-end slam that anchors the music with authority and weight, immersing you in a live concert-like experience. On the high-end, it offers finesse, detail, and refinement that may redefine your perception of recorded music versus reality.

Without Equal

When paired with the 350P Preamplifier, the combination is unmatched in its class. There’s no more refined pairing at this price point—ideal for discerning audiophiles and those who enjoy high-volume listening without compromising on sound quality.

Key Features

As expected from a MOON product, it comes equipped with essential features like 12V triggers and an RS-232 port for custom installation environments.

Design Features

  • Fully balanced differential circuitry.
  • Precision-matched proprietary MOON Bipolar output transistors for enhanced bass and accurate sonic reproduction.
  • Oversized power supply with a custom proprietary toroidal transformer design.
  • High damping factor for superior musical dynamics, faster signal speed, and more accurate timbre.
  • “Class A” output up to 10 watts for improved efficiency.
  • Carefully selected, high-quality electronic components.

Included Accessories

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

User Manual

Reviews

Line Circle
Product Descriptiondown arrow

Product Description

Line Circle
The 400M Power Amplifier delivers exceptional power and precision, effortlessly driving even the most demanding loudspeakers with deep, authoritative bass and refined, detailed highs. Its fully balanced differential circuitry and proprietary MOON Bipolar output transistors ensure superior sonic accuracy and dynamic range, making it a perfect match for audiophiles seeking a premium listening experience. Paired with the 350P Preamplifier, this amplifier provides an unmatched combination of performance and refinement, setting a new standard for high-end audio systems.
Get the Details
Features & Specsdown arrow

Features & Specs Line Circle

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.
Expert Insightdown arrow

Expert Insight

Line Circle

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

Expert Img
Mike Chapman
Brand Manager
Detailsdown arrow

Details

Line Circle

Moon 400M Power Amplifier

The 400M Power Amplifier delivers extreme power while maintaining the delicacy and articulation of the finest amplifiers. It can drive virtually any loudspeaker with ease, providing a punchy bottom-end slam that anchors the music with authority and weight, immersing you in a live concert-like experience. On the high-end, it offers finesse, detail, and refinement that may redefine your perception of recorded music versus reality.

Without Equal

When paired with the 350P Preamplifier, the combination is unmatched in its class. There’s no more refined pairing at this price point—ideal for discerning audiophiles and those who enjoy high-volume listening without compromising on sound quality.

Key Features

As expected from a MOON product, it comes equipped with essential features like 12V triggers and an RS-232 port for custom installation environments.

Design Features

  • Fully balanced differential circuitry.
  • Precision-matched proprietary MOON Bipolar output transistors for enhanced bass and accurate sonic reproduction.
  • Oversized power supply with a custom proprietary toroidal transformer design.
  • High damping factor for superior musical dynamics, faster signal speed, and more accurate timbre.
  • “Class A” output up to 10 watts for improved efficiency.
  • Carefully selected, high-quality electronic components.

Included Accessories

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

User Manual

Reviewsdown arrow

Reviews

Line Circle
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