McIntosh MX100 AV Receiver

The McIntosh MX100 is a dedicated high-performance A/V processor engineered for modern home theatre systems that prioritise immersive surround processing, balanced signal integrity, and streamlined digital connectivity. Unlike traditional full-width McIntosh processors with extensive legacy analogue circuitry, the MX100 was intentionally designed as a more focused, rack-friendly solution for contemporary cinema installations.

Built around an 11.2-channel processing platform, the MX100 supports advanced immersive audio formats including Dolby Atmos and DTS:X, with configurations up to 7.2.4 channels. Audio decoding and processing are handled by seven premium 32-bit DACs, while all main audio outputs are provided through balanced XLR connections for maximum noise rejection and system integration flexibility.

A key aspect of the MX100’s design is its simplified digital-first architecture. McIntosh deliberately omitted legacy analogue inputs, focusing instead on modern HDMI and digital audio connectivity suited to today’s streaming, UHD Blu-ray, and 4K video environments.

Specifications

Core Architecture

• Type: 11.2-channel A/V processor / preamplifier
• Maximum Speaker Configuration: 7.2.4 Dolby Atmos
• Amplification: None (external amplifiers required)
• DAC Configuration: 7 × 32-bit DACs
• Rack Format: 2U rack-mount chassis

Surround & Audio Formats

• Dolby Atmos
• Dolby TrueHD
• DTS:X
• DTS-HD Master Audio
• Audyssey MultEQ XT32 room correction

HDMI & Video Specifications

• HDMI Inputs: 4
• HDMI Outputs: 1
• HDCP: HDCP 2.2 compliant
• Bandwidth: 18Gbps per HDMI input/output
• Video Support:
  • 4K Ultra HD 50/60Hz
  • Dolby Vision
  • HDR10
  • HLG
  • Rec.2020
  • 4:4:4 colour
  • 3D pass-through
  • eARC / ARC

Inputs & Outputs

Digital Audio Inputs

• 2 × Optical
• 2 × Coaxial

Audio Outputs

• 13 × Balanced XLR outputs (configured for 11.2 channels)
• Rated output voltage: 5.0Vrms balanced

Audio Performance

• Frequency Response: ±0.5dB from 20Hz – 20kHz
• Total Harmonic Distortion: 0.005% maximum (20Hz – 20kHz)

Network & Control

• Ethernet
• Wi-Fi
• RS232 control
• IR input
• 12V triggers
• Compatible with:
  • Control4
  • Crestron Home

Physical Specifications

• Dimensions (W × H × D):
  444.5 × 110 × 533 mm (including rack ears/feet)
• Weight: approx. 7.7 kg

In performance terms, the MX100 is designed around McIntosh’s emphasis on:

• low-noise balanced signal handling,
• precise channel separation,
• and large-scale cinematic presentation.

Its fully balanced output stage makes it particularly well suited to high-end dedicated theatres using external multi-channel amplification, while the inclusion of Audyssey MultEQ XT32 allows detailed room calibration and bass management.

The MX100 is best viewed as a streamlined premium cinema processor—focused on modern digital formats rather than legacy connectivity. While its HDMI platform is limited to HDMI 2.0-era specifications rather than HDMI 2.1 gaming features, it remains highly capable for 4K HDR cinema systems centred around movies and high-quality streaming playback.

A refined McIntosh theatre processor built for immersive surround decoding, balanced system integration, and modern 4K home cinema performance.

Colour: Black

Condition: Good

NOTE: Unit includes original packaging and remote control. Manual and additional accessories not included.