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Product Description

Line Circle
The MOON 340i X Integrated Amplifier combines powerful stereo amplification, flexible connectivity, and premium sound quality for modern hi-fi systems. It delivers 100W per channel at 8 ohms and 200W per channel at 4 ohms, supported by a massive oversized power supply and custom toroidal transformer. With six line-level inputs, balanced XLR input, headphone output, front mini-jack input, and pass-through functionality, it works as a versatile music system centerpiece. Optional MC/MM phono and high-resolution DAC support make the 340i X a complete integrated amplifier for analog and digital listening.
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Features & Specs Line Circle

100W per channel at 8 ohms
The MOON 340i X provides robust stereo power for high-quality speaker performance in refined listening systems.
200W per channel at 4 ohms
Increased output into 4-ohm loads gives the amplifier added authority and control with compatible loudspeakers.
Six line-level inputs
Multiple analog inputs allow easy connection of source components, including a front-mounted 1/8-inch mini-jack for personal media players.
Balanced XLR input
A pair of balanced inputs expands system compatibility and gives users a premium connection option for supported audio sources
Optional MC/MM phono stage
The available built-in phono stage allows the 340i X to support moving coil and moving magnet turntable cartridges.
Optional 32-bit/384kHz DAC with DSD support
The optional DAC adds S/PDIF, USB, and Optical digital inputs with support for PCM up to 32-bit/384kHz and DSD64, DSD128, and DSD256 playback.
100W per channel at 8 ohms
The MOON 340i X provides robust stereo power for high-quality speaker performance in refined listening systems.
200W per channel at 4 ohms
Increased output into 4-ohm loads gives the amplifier added authority and control with compatible loudspeakers.
Six line-level inputs
Multiple analog inputs allow easy connection of source components, including a front-mounted 1/8-inch mini-jack for personal media players.
Balanced XLR input
A pair of balanced inputs expands system compatibility and gives users a premium connection option for supported audio sources
Optional MC/MM phono stage
The available built-in phono stage allows the 340i X to support moving coil and moving magnet turntable cartridges.
Optional 32-bit/384kHz DAC with DSD support
The optional DAC adds S/PDIF, USB, and Optical digital inputs with support for PCM up to 32-bit/384kHz and DSD64, DSD128, and DSD256 playback.
Expert Insights Coming Soon
Line Circle

Details

Line Circle

MOON 340i X Integrated Amplifier

The MOON 340i X Integrated Amplifier delivers high-power performance, refined sonic detail, and flexible system connectivity in a compact, premium audio component. Built for listeners who want musical authority with rich, engaging, and lifelike sound quality, the 340i X combines 100 watts per channel at 8 ohms, 200 watts per channel at 4 ohms, and a massive oversized power supply with a custom toroidal transformer design. Its six line-level inputs, balanced XLR input, front-mounted mini-jack input, headphone output, and pass-through input make it a versatile control center for a serious music or home theater system. Optional upgrades, including a built-in MC/MM phono stage and high-performance DAC with 32-bit/384kHz PCM and DSD support, expand the 340i X into a complete modern hi-fi hub.

The MOON Certified Reserve Standard

Every MOON Certified product meets a strict manufacturer standard:

  • Fully tested, refurbished, and certified by MOON technicians
  • Includes new packaging and complete accessory packs
  • Technician sign-off certification included
  • Backed by a 5-year manufacturer warranty

See Available MOON Certified Reserve

See All MOON

What It's Good At:

  • Delivering powerful stereo amplification with 100W per channel at 8 ohms and 200W per channel at 4 ohms.
  • Creating rich, engaging, and lifelike sound with excellent musical authority.
  • Supporting a wide range of audio sources with six line-level inputs and one balanced XLR input.
  • Serving as a flexible system hub with headphone output, front mini-jack input, and pass-through functionality.
  • Enhancing performance with a massive oversized power supply and custom toroidal transformer design.
  • Offering upgrade flexibility with optional MC/MM phono stage and optional high-performance DAC support.

MOON 340i X Integrated Amplifier Full Specifications:

  • Product Type: Integrated Amplifier
  • Line-Level Inputs: 6 total
  • Front Input: 1/8-inch mini-jack for personal media players
  • Balanced Input: 1 pair of XLR inputs
  • Headphone Output: 1/4-inch jack located on the front panel
  • Power Supply: Massive oversized power supply using a custom toroidal transformer design
  • Class A Output: Up to 5 watts
  • Pass-Through Input: One audio input functions as a pass-through, bypassing the gain stage for components such as a home theater processor
  • Output Transistors: Precision matched proprietary MOON Bipolar output transistors
  • Optional Phono Stage: Built-in MC/MM phono stage
  • Optional DAC: High-performance DAC with 32-bit/384kHz PCM and DSD support
  • Input Sensitivity: 370mV–3.0V RMS
  • Input Impedance: 11k ohms
  • Output Power at 8 Ohms: 100W per channel
  • Output Power at 4 Ohms: 200W per channel
  • Crosstalk: -88dB
  • Optional Digital Inputs: S/PDIF, USB, Optical
  • DSD Sample Rates: DSD64, DSD128, and DSD256
  • Gain: 37dB
  • Signal-to-Noise Ratio: 110dB at full power
  • THD, 20Hz–20kHz at 1W: Less than 0.015%
  • THD, 20Hz–20kHz at 100W: Less than 0.05%
  • Intermodulation Distortion, IMD: Less than 0.03%
  • Maximum PCM Resolution: 32-bit/384kHz
  • Frequency Response, Full Range: 2Hz–90kHz +0/-3dB
  • Shipping Weight: 28 lb
  • Dimensions: 16.9"W x 3.5"H x 14.8"D

Reviews

Product Descriptiondown arrow

Product Description

Line Circle
The MOON 340i X Integrated Amplifier combines powerful stereo amplification, flexible connectivity, and premium sound quality for modern hi-fi systems. It delivers 100W per channel at 8 ohms and 200W per channel at 4 ohms, supported by a massive oversized power supply and custom toroidal transformer. With six line-level inputs, balanced XLR input, headphone output, front mini-jack input, and pass-through functionality, it works as a versatile music system centerpiece. Optional MC/MM phono and high-resolution DAC support make the 340i X a complete integrated amplifier for analog and digital listening.
Get the Details
Features & Specsdown arrow

Features & Specs Line Circle

100W per channel at 8 ohms
The MOON 340i X provides robust stereo power for high-quality speaker performance in refined listening systems.
200W per channel at 4 ohms
Increased output into 4-ohm loads gives the amplifier added authority and control with compatible loudspeakers.
Six line-level inputs
Multiple analog inputs allow easy connection of source components, including a front-mounted 1/8-inch mini-jack for personal media players.
Balanced XLR input
A pair of balanced inputs expands system compatibility and gives users a premium connection option for supported audio sources
Optional MC/MM phono stage
The available built-in phono stage allows the 340i X to support moving coil and moving magnet turntable cartridges.
Optional 32-bit/384kHz DAC with DSD support
The optional DAC adds S/PDIF, USB, and Optical digital inputs with support for PCM up to 32-bit/384kHz and DSD64, DSD128, and DSD256 playback.
100W per channel at 8 ohms
The MOON 340i X provides robust stereo power for high-quality speaker performance in refined listening systems.
200W per channel at 4 ohms
Increased output into 4-ohm loads gives the amplifier added authority and control with compatible loudspeakers.
Six line-level inputs
Multiple analog inputs allow easy connection of source components, including a front-mounted 1/8-inch mini-jack for personal media players.
Balanced XLR input
A pair of balanced inputs expands system compatibility and gives users a premium connection option for supported audio sources
Optional MC/MM phono stage
The available built-in phono stage allows the 340i X to support moving coil and moving magnet turntable cartridges.
Optional 32-bit/384kHz DAC with DSD support
The optional DAC adds S/PDIF, USB, and Optical digital inputs with support for PCM up to 32-bit/384kHz and DSD64, DSD128, and DSD256 playback.
Expert Insightdown arrow
Expert Insights Coming Soon
Line Circle
Detailsdown arrow

Details

Line Circle

MOON 340i X Integrated Amplifier

The MOON 340i X Integrated Amplifier delivers high-power performance, refined sonic detail, and flexible system connectivity in a compact, premium audio component. Built for listeners who want musical authority with rich, engaging, and lifelike sound quality, the 340i X combines 100 watts per channel at 8 ohms, 200 watts per channel at 4 ohms, and a massive oversized power supply with a custom toroidal transformer design. Its six line-level inputs, balanced XLR input, front-mounted mini-jack input, headphone output, and pass-through input make it a versatile control center for a serious music or home theater system. Optional upgrades, including a built-in MC/MM phono stage and high-performance DAC with 32-bit/384kHz PCM and DSD support, expand the 340i X into a complete modern hi-fi hub.

The MOON Certified Reserve Standard

Every MOON Certified product meets a strict manufacturer standard:

  • Fully tested, refurbished, and certified by MOON technicians
  • Includes new packaging and complete accessory packs
  • Technician sign-off certification included
  • Backed by a 5-year manufacturer warranty

See Available MOON Certified Reserve

See All MOON

What It's Good At:

  • Delivering powerful stereo amplification with 100W per channel at 8 ohms and 200W per channel at 4 ohms.
  • Creating rich, engaging, and lifelike sound with excellent musical authority.
  • Supporting a wide range of audio sources with six line-level inputs and one balanced XLR input.
  • Serving as a flexible system hub with headphone output, front mini-jack input, and pass-through functionality.
  • Enhancing performance with a massive oversized power supply and custom toroidal transformer design.
  • Offering upgrade flexibility with optional MC/MM phono stage and optional high-performance DAC support.

MOON 340i X Integrated Amplifier Full Specifications:

  • Product Type: Integrated Amplifier
  • Line-Level Inputs: 6 total
  • Front Input: 1/8-inch mini-jack for personal media players
  • Balanced Input: 1 pair of XLR inputs
  • Headphone Output: 1/4-inch jack located on the front panel
  • Power Supply: Massive oversized power supply using a custom toroidal transformer design
  • Class A Output: Up to 5 watts
  • Pass-Through Input: One audio input functions as a pass-through, bypassing the gain stage for components such as a home theater processor
  • Output Transistors: Precision matched proprietary MOON Bipolar output transistors
  • Optional Phono Stage: Built-in MC/MM phono stage
  • Optional DAC: High-performance DAC with 32-bit/384kHz PCM and DSD support
  • Input Sensitivity: 370mV–3.0V RMS
  • Input Impedance: 11k ohms
  • Output Power at 8 Ohms: 100W per channel
  • Output Power at 4 Ohms: 200W per channel
  • Crosstalk: -88dB
  • Optional Digital Inputs: S/PDIF, USB, Optical
  • DSD Sample Rates: DSD64, DSD128, and DSD256
  • Gain: 37dB
  • Signal-to-Noise Ratio: 110dB at full power
  • THD, 20Hz–20kHz at 1W: Less than 0.015%
  • THD, 20Hz–20kHz at 100W: Less than 0.05%
  • Intermodulation Distortion, IMD: Less than 0.03%
  • Maximum PCM Resolution: 32-bit/384kHz
  • Frequency Response, Full Range: 2Hz–90kHz +0/-3dB
  • Shipping Weight: 28 lb
  • Dimensions: 16.9"W x 3.5"H x 14.8"D
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