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Moon by Simaudio 340i X Integrated


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Combining high power, sonic finesse and superb flexibility, the 340i X will seduce you with its musical authority, as well as its rich, engaging and lifelike sound quality.

Winner of 12 awards, the 340i X can easily be the centerpiece of your music and entertainment system. Needless to say, the 340i X integrated amplifier is constructed to the highest standards that has made MOON products famous around the world.

Design features


  • 6 (six) line-level inputs including a front-mounted 1/8” mini-jack for personal media players.
  • 1 (one) pair of balanced input (XLR).
  • Headphone output on 1/4” jack located on the front panel.
  • A massive oversized power supply using a custom toroidal transformer design.
  • “Class A” output to 5 watts for greater efficiency.
  • One audio input which functions as a “pass-through”, bypassing the gain stage to accommodate components like a home-theater processor, whose own volume control is used instead.
  • Precision matched proprietary MOON Bipolar output transistors for improved bass response and accurate sonic reproduction.




  • Output Power at 8Ω100 W per channel
  • Output Power at 4Ω 200 W per channel
  • Input Sensitivity370mV - 3.0V RMS
  • Input Impedance11,000Ω
  • Gain37dB
  • Signal-to-noise Ratio110dB @ full power
  • Frequency response (full range)2Hz - 90kHz +0/-3dB
  • Crosstalk-88dB
  • THD (20Hz - 20kHz @ 1 W)0.015%
  • THD (20Hz - 20kHz @ 100 W)0.05%
  • Intermodulation distortion0.03%
  • Optional Digital InputsS/PDIF, USB, Optical
  • Maximum PCM Resolution32-bit / 384kHz
  • DSD sample ratesDSD64, DSD128 & DSD256
  • Shipping weight28 lb / 13 kg
  • Dimensions (width x height x depth)16.9 x 3.5 x 14.8 in