400M Power Amplifier
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Starting at :$ 4,400 USD

Available finishes are dependant on location.
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powerful

Extremely powerful, yet with a delicacy and articulation of the best amplifiers out there, the 400M can take on virtually any loudspeaker you connect it to. Delivering a bottom-end slam, with authority and weight to the foundation of the music, it will transport you into a live concert environment. 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.

Power AmplifiersSpecifications

Product features
In the box
User manual
Comparison chart
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 Watts
  • Output Power at 4Ω
    650 Watts
  • 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 watt)
    0.02%
  • THD (20Hz - 20kHz @ 400 watts)
    0.05%
  • Intermodulation distortion
    0.02%
  • Shipping weight
    33 lbs / 15 Kgs
  • Dimensions (width x height x depth)
    16.9 x 3.5 x 14.0 in.
  • 42.9 x 8.9 x 35.6 cm.