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. It is compatible with all the leading home theater surround sound and object-based 3D audio formats including Dolby® Atmos (including Dolby Atmos Height Virtualizer), DTS:X® Pro, Auro-3D®, along with Sony's 360 Reality Audio, an immersive audio experience utilizing Sony’s spatial sound technology. It’s also fully compatible with modern 4K Ultra HD video sources and can upscale lower resolutions to 4K Ultra HD for the best possible picture quality.
The MX123 features upgraded digital audio processing capabilities that results in 2 more discrete audio channels, bringing the MX123 to 13.2 discrete audio channels compared to 11.2 in the previous model. These 13.2 discrete channels are available via both balanced and unbalanced audio outputs that can be used in a variety of home theater speaker configurations; 2 additional unbalanced outputs offer further connection flexibility. DSD and ALAC playback support have been doubled to DSD128 and ALAC 192kHz for better high resolution audio performance.
For the video needs of your home theater, the MX123 has 7 HDMI inputs and 3 HDMI outputs, with each being HDCP 2.2/2.3 compliant. They all also have 18Gbps of bandwidth to support High Dynamic Range (HDR) formats Dolby Vision™, HDR10 and HLG; 4K Ultra HD at 50/60Hz; 4:4:4 color spacing; Rec. 2020; and 3D video pass-through. Enhanced Audio Return Channel (eARC) functionality is included on 1 of the HDMI outputs. eARC offers improved bandwidth so the MX123 can receive higher resolution audio from your TV to produce the best possible sound quality.
CONNECTIVITY
- Multi-Channel Outputs Balanced
- 13.2
- Multi-Channel Inputs Unbalanced
- 7.1
- Multi-Channel Outputs Unbalanced
- 15.2
- Stereo Inputs Balanced
- 1
- Stereo Inputs Unbalanced
- 8
(including 1 Moving Magnet Phono)
- Stereo Outputs Unbalanced
- 2
- Digital Coaxial Input
- 2
- Digital Coaxial Output
- 0
- Digital Optical Input
- 2
- AES/EBU Balanced Input
- 0
- HDMI Input
- 7
HDCP 2.2/2.3, High Dynamic Range (Dolby Vision, HDR10 and HLG), 4K Ultra HD at 50/60Hz, 4:4:4 color, Rec. 2020, 3D video pass-through
- HDMI Output
- 3
HDCP 2.2/2.3, High Dynamic Range (Dolby Vision, HDR10 and HLG), 4K Ultra HD at 50/60Hz, 4:4:4 color, Rec. 2020, 3D video pass-through, (1) eARC
- HDBT Output
- 0
- USB
- 1 Type A
- Component Input
- 3
- Component Output
- 1
- Composite Input
- 4
- Composite Output
- 2
- Subwoofer 2 Output
- Yes
(discrete signal from subwoofer 1)
- Network Connection
- 1
- Max # of audio channels in Zone A
- 15
- Additional Zone Outputs
- Zone 2: HDMI audio/video, component video, composite video, analog stereo audio
Zone 3: Analog stereo audio
- Advanced Connections
- Ethernet Web interface and firmware update, IP-based control, Web Data Streaming, Apple AirPlay 2, Bluetooth, Spotify Connect
PROCESSING
- Total Harmonic Distortion (DSP Bypass)
- 0.005%
- Dolby Processing
- Atmos/True HD/Digital Plus&EX/Pro Logic IIz, IIx
- DTS Processing
- DTS:X/Virtual:X/HD Master & High Res. Audio/ES/96/24, Discrete & Matrix6.1/Neo:6/Express/Neural-X
- Auro Processing
- Auro 3D, Auro-Matic, Auro 9.1, 10.1
- Pure Stereo DSP Bypass Mode
- Yes
- Video Scaling
- 4K Upconversion
- High Dynamic Range (HDR)
- Dolby Vision, HDR10 and HLG
CONTROL
- Third Party Control
- RS232, Web IP, IR Input
- Tone Controls
- 9 Band Equalizer, Bass and Treble
- OSD Overlay on HDMI Output
- Yes
- Input-Output Format Indicators
- 9 in and 9 out
- Control of McIntosh Sources
- Yes, by handheld remote, 1 Data Out, 2 Power Control Trigger jacks
GENERAL SPECIFICATIONS
- Channel Formats
- 13.2, 7.1, 5.1, Stereo
- DSP Room Correction
- Audyssey MultEQ XT32, Dynamic EQ / Dynamic Volume, DSX
- Microphone and stand included
- Yes
- Network Features
- Wi-Fi dual band 2.4/5GHz, Apple AirPlay 2, Bluetooth, Spotify Connect
- Unique Crossover Frequency, Each Speaker
- Yes
- Special Features
- IMAX Enhanced, Rear Panel USB-Apple Dock, HDMI in standby, Apple AirPlay 2, Bluetooth, Spotify Connect
WEIGHTS & DIMENSIONS
- Dimensions (W x H x D)
- 17-1/2" (44.45cm) x 7-5/8" (19.37cm) (including feet) x 19-1/2" (49.53cm) (including front panel, knobs, rear panel connections and USB drive)
- Weight
- 31 lbs (14 kg)
- Shipping Weight
- 55 lbs (25 kg)