MOON by Simaudio

340i X


A completely modular integrated amplifier, which can be specified with integrated phono stage and DAC capabilities, MOON’s 340i X is our go-to for best sounding amplifier in this sector, delivering outstanding performance and flexibility for the price.

This one comes in two forms:
340i X: 100W per channel, 1 x XLR inputs, 4 x line-level inputs, front-panel mini-jack input and headphone output
340i D3P X: all of the above plus ‘P’ – a configurable MM/MC phono stage and ‘D’ – internal DAC processing up to DSD64/128/256 and PCM up to 32-bit/384kHz

Both DAC and Phono upgrades can be added to the 340i X after purchase too.

This product qualifies for free, remote installation by one of our technicians.

In-store purchase only, please call 0141 221 0221 or email glasgow@loud-clear.co.uk to reserve/enquire.
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Combining sonic finesse and superb versatility, the award-winning MOON 340i X Integrated Amplifier is offered with optional DAC and phono stage.

Endless possibilities… The 340i X allows you to integrate your music system in distinctively new ways. It redefines the possibilities of what an integrated amplifier can be.

Loaded with numerous convenient features and unbeatable sonic performance, the 340i X provides for unprecedented flexibility. In addition, the 340i X flexibility is enhanced by a host of options which can be included at the time of purchase or added later on.

Winner of 12 awards, the 340i X can easily be the centre piece of your music and entertainment system.

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.

A high-performance and very versatile DAC is offered for connectivity to your latest devices such as a computer, DVD/Blu-Ray player or an iPod docking station. If you have a love for spinning your cherished collection of vinyl records, a fully-configurable MC/MM phono stage is also available.

Featuring an options package unheralded in the world of high-performance audio which includes (1) an internal digital-to-analogue converter (USB-2, S/PDIF & TosLink digital inputs), (2) an internal RIAA phono preamplifier (MM & MC) and (3) a balanced line-level input. All 3 of these options are available in any combination, either at the time of purchase or as a future upgrade.

The MOON 340i X combines almost 30 years of experience in the design and manufacturing of award winning products with numerous unique technologies found in many of Simaudio’s other components. The 340i X will be the heart and soul of your home-entertainment system for many many years … call it the birth of a legend.

Moon by Simaudio 340i

  • A massive oversized power supply using a custom toroidal transformer design.
  • 6 line-level inputs including a front-mounted 1/8″ mini-jack for personal media players.
  • Headphone output on 1/4″ TRS jack located on the front panel.
  • One audio input which functions as a “pass-through”, bypassing the gain stage to accommodate a component such as a home-theater processor, whose own volume control is used instead.
  • Proprietary MOON Bipolar output transistors with unprecedented gain linearity resulting in improved bass response and even more accurate sonic reproduction.
  • “Class A” output to 5 watts for greater efficiency.
  • 12 Volt trigger output for remote operations.
  • RS-232 port for (i) full unsolicited bidirectional feedback and (ii) firmware updates.
  • IR input for external control.
  • SimLink™ controller port for 2-way communications with other compatible MOON components.
  • Rigid chassis construction to minimize the effects of external vibrations.
  • Optimized selection of very high quality electronic components.
  • Low operating temperature for an ultra-long life expectancy.
  • Includes CRM-3 remote control.


  • Output Power at 8Ω: 100 W per channel
  • Output Power at 4Ω: 200 W per channel
  • Input Sensitivity: 370mV – 3.0V RMS
  • Input Impedance: 11,000Ω
  • Gain: 37dB
  • Signal-to-noise Ratio: 110dB @ 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 distortion: 0.03%
  • Optional Digital Inputs: S/PDIF, USB, Optical
  • Maximum PCM Resolution: 32-bit / 384kHz
  • DSD sample rates: DSD64, DSD128 & DSD256
  • Shipping weight: 28 lb / 13 kg
  • Dimensions (width x height x depth): 16.9 x 3.5 x 14.8 in, 42.9 x 8.9 x 37.6 cm