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, DTS:X™ and Auro-3D®. 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.
- 10 HDMI ports: HDCP 2.2/2.3, 18Gbps & 4:4:4 Color
- 4K Ultra HD; Dolby Vision, HDR10 & HLG
- 13.2 Audio Channels; eARC; Apple AirPlay 2
- Dolby Atmos, DTS:X, Auro-3D & IMAX Enhanced
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.
Additional connections include: 4 digital audio inputs; 1 balanced and 8 unbalanced analog stereo audio inputs (including 1 dedicated as a Moving Magnet phono input to connect a turntable); an unbalanced 7.1 multi-channel audio input; 3 component and 4 composite video inputs; 1 USB Type A input; 2 unbalanced analog stereo outputs; and 2 composite and 1 component video outputs. It has received Connects with Control4 Certification from Control4®, a leading global provider of smart home automation solutions, with the implementation of their Simple Device Discovery Protocol (SDDP), allowing it to be effortlessly integrated into Control4 automation systems to further enhance the user experience.
±0.5dB from 20Hz-20kHz
Total Harmonic Distortion:
0.005% maximum from 20Hz to 20kHz
Rated Output Voltage:
2.5 Vrms Unbalanced
5.0 Vrms Balanced
9 Stereo (8 unbalanced + 1 balanced)
1 Multi-channel 7.1 (unbalanced)
15 Balanced (configured for 13.2)
17 Unbalanced (configured for 13.2)
3 HDMI (1 is eARC)
2 Composite (1 for zone B)
2 Stereo (unbalanced for zones B & C)
4K Ultra HD native sources, Upconverting to 4K Ultra HD
High Dynamic Range (HDR): Dolby Vision, HDR10, HLG IMAX Enhanced
Dolby: Atmos, TrueHD plus legacy formats
DTS: DTS:X/Virtual:X/HDMaster Audio plus legacy formats
Auro: 3D, Auro-Matic, 9.1, 10.1 IMAX Enhanced
Remote control, network, RS232
Overall 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 the front panel, knobs & cables
55 lbs (25 kg) in shipping carton
Embedded and/or non-embedded services (including but not limited to AirPlay 2 and Spotify), are necessary for full functionality, are provided by companies unrelated to McIntosh, and are beyond McIntosh’s control. McIntosh cannot and does not warrant against interruption, discontinuance, unsatisfactory performance, reduced Product functionality, or damages of any kind attributable to such services or their providers.