The McIntosh MX123 A/V Processor is a state-of-the-art 13.2-channel preamplifier designed to bring cinematic audio and video performance into your home theater. Built with McIntosh’s renowned engineering excellence and timeless design, the MX123 delivers immersive, lifelike sound and razor-sharp visuals with full support for the latest technologies including 8K Ultra HD, Dolby Atmos, DTS:X, and Auro-3D.
Engineered to be the centerpiece of your high-end home entertainment system, the MX123 seamlessly integrates both analog and digital audio sources with cutting-edge video processing. It features seven HDMI inputs and three outputs, all HDCP 2.3 compliant, with one output supporting eARC for enhanced audio return from smart TVs. Full 8K/60Hz and 4K/120Hz video support ensures compatibility with next-generation gaming consoles and content sources.
With HEOS Built-in, the MX123 offers wireless streaming of high-resolution audio from services like Spotify, TIDAL, and Amazon Music HD. Apple AirPlay 2, Bluetooth, and built-in Wi-Fi provide flexible wireless connectivity, while integration with voice assistants like Amazon Alexa and Google Assistant brings smart control options into your home theater setup.
The MX123 also supports RoomPerfect™ room correction technology, ensuring optimal acoustic performance tailored to your space. McIntosh’s iconic black glass front panel, illuminated logo, and rotary control knobs maintain the brand’s signature look and feel.
FEATURES
- The MX123 A/V Processor marries a long tradition of uncompromising McIntosh sound quality with the latest home theater technologies to bring you an unsurpassed luxury home entertainment experience.
- Upgraded digital audio processing capabilities result in 13.2 discrete audio channels. Supports object-based 3D audio formats including Dolby® Atmos, DTS:X™, and Auro-3D®. Popular legacy surround sound formats are also supported.
- Includes 7 HDMI inputs and 3 HDMI outputs, with each being HDCP 2.2/2.3 compliant.
- Supports High Dynamic Range (HDR) formats Dolby Vision™, HDR10, and HLG; 4K Ultra HD at 50/60Hz; 4:4:4 color spacing; Rec. 2020; 3D video pass-through.
- Features IMAX® Enhanced performance standards established by IMAX and DTS® to create consistency for image and sound performance on premium devices.
- Audyssey MultEQ® XT32 calibrates the MX123 to your room’s unique acoustical properties.
- Includes Apple® AirPlay 2®, Bluetooth® and Spotify Connect for easy streaming from your mobile devices
SPECIFICATIONS
| Category | Details |
|---|---|
| Audio Channels | 13.2 discrete channels (balanced & unbalanced) |
| High-Resolution Audio | DSD128, ALAC 192?kHz supported |
| Surround Formats Supported | Dolby Atmos (with Height Virtualizer), DTS:X Pro, Auro-3D, Sony 360 Reality Audio, MPEG-H, IMAX Enhanced |
| Video / HDMI | – 7 HDMI inputs, 3 outputs (1 supports eARC/ARC) – One input & two outputs support 8K/60?Hz & 4K/120?Hz (others 4K/60?Hz) |
| HDMI Features | HDCP 2.3, Rec.2020, 4:4:4 color, Dynamic Lip-Sync, QMS, ALLM, QFT, VRR |
| HDR Formats | HDR, Dynamic HDR, HDR10+, HLG, Dolby Vision; IMAX Enhanced support |
| Room Calibration | Audyssey MultEQ XT32, Dynamic EQ, Dynamic Volume, DSX |
| Audio Inputs | – Balanced stereo (1) – Unbalanced stereo (8 incl. 1 phono MM) – Multi-channel unbalanced (7.1) – Digital: 2 coaxial, 2 optical |
| Audio Outputs | – Balanced multi-channel: 13.2 output – Unbalanced multi-channel: 15.2 – Subwoofer (dual outputs) |
| Video Legacy Inputs | 3 component, 4 composite video inputs; 1 component and 2 composite outputs |
| Streaming & Network | Wi-Fi (2.4/5?GHz), Ethernet, Apple AirPlay 2, Bluetooth, Spotify Connect, TuneIn, Pandora, Sirius XM |
| Control Options | RS232, Web IP, IP-based control, IR input, Control4 (SDDP), Crestron Home certified |
| Audio Processing Specs | Total Harmonic Distortion (DSP bypass): 0.005% |
| Tone Controls / EQ | 9-band EQ, bass & treble controls; OSD overlay on HDMI output |
| Zone Capability | Supports 2 additional zones (Zone 2: HDMI/Component/Composite/Analog; Zone 3: Analog stereo) |
| Physical Dimensions & Weight | 17.5″ W × 7.63″ H × 19.5″ D (44.45 × 19.37 × 49.53?cm), Weight: 31?lb (14?kg) |
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