McIntosh MX121 // Home Theater AV Processor // Trade-In

McIntosh MX121 // Home Theater AV Processor // Trade-In

$ 7,000.00 $ 2,999.00

The MX121 home theater processor is the control hub of some of the finest home theater systems in the world. An extensive yet easy to use feature set allows MX121 based systems to be configured to meet your exact needs.

All current and legacy audio and video sources – such as Blu-ray, DVD, CD and Laser Disc players along with turntables and tuners – may be controlled, processed and operated through the MX121. A vast array of inputs, including six HDMI that support 1080P resolution and 3D video pass-through, ensures you’ll be able to connect all your source components. The 3D video pass-through will allow you to enjoy everything current 3D Blu-ray discs™ and broadcasts have to offer. And with built in Dolby® TrueHD and DTS-HD Master Audio™ decoding, you’ll hear – and feel – everything too.

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Open Box Item
Categories: AV Components
Brand: McIntosh

The enjoyment the MX122 delivers does not have to be confined to just one room; you can create 2 additional zones in your house and have the MX122 send select audio and/or video to them. A wide assortment of inputs and outputs will let you connect your current and future entertainment sources. Inputs include 7 HDMI, 4 digital audio, 1 balanced and 8 unbalanced analog stereo, an unbalanced 7.1 multi-channel audio, 3 component and 4 composite video along with 1 USB for iPod. Outputs include both balanced and unbalanced connections configured for 11.2 (also referred to as 7.2.4) surround sound, 3 HDMI (1 dedicated for “zone 2”), 2 component and 2 composite video (1 of each for “zone 2”) and 2 unbalanced stereo (1 for “zone 2” and 1 for “zone 3”). All HDMI inputs and outputs are HDCP 2.2 and support High Dynamic Range (HDR), 4K Ultra HD at 50/60Hz, 4:4:4 color, Rec. 2020 and 3D video pass-through.

Besides enjoying your favorite movies and TV shows, the MX122 is also great for listening to analog or digital 2-channel music in either stereo or upconverted to surround sound and is compatible with a variety of high resolution digital music formats up to 24-bit/192kHz. You can connect to your cloud-based or online digital music with either the wired or wireless network connections. DSD64 files can be played from flash drives or over your network. Bluetooth and AirPlay® connectivity allows for easy streaming from your mobile devices. Interfaces to popular streaming services1 including Pandora®, SiriusXM® and Spotify® are included while vTuner lets you connect to 1,000s of internet radio stations—including McIntosh Music. Audyssey MultEQ® XT32 will calibrate the MX122 to your home theater’s unique acoustical properties, letting it deliver the clearest and most balanced – yet still earth shattering – sound possible. Each audio channel has its own 32-bit premium DAC for the best audio performance. A 9 band equalizer offers additional fine-tuning.

The MX122 features classic McIntosh design cues and can be paired with a variety of McIntosh amplifiers and speakers to make a complete cinematic surround sound system in the comfort of your home.



Multi-Channel Outputs Balanced: 11.2 (also known as 7.2.4)

Multi-Channel Inputs Unbalanced: 7.1

Multi-Channel Outputs Unbalanced: 13.2 (only 11.2 speaker channels can be used at one time; when connecting 12 or more speakers, the output automatically switches according to the input signal and sound mode)

Stereo Inputs Balanced: 1

Stereo Inputs Unbalanced: 8 (including Moving Magnet Phono)

Stereo Outputs Unbalanced: 2

Digital Coaxial Input: 2

Digital Coaxial Output: 0

Digital Optical Input: 2

Digital Optical Output: 0

AES/EBU Balanced Input: 0

HDMI Input: 7 HDCP 2.2, High Dynamic Range (HDR), 4K Ultra HD at 50/60Hz, 4:4:4 color, Rec. 2020, 3D video pass-through

HDMI Output: 3 HDCP 2.2, High Dynamic Range (HDR), 4K Ultra HD at 50/60Hz, 4:4:4 color, Rec. 2020, 3D video pass-through

HDBT Output: 0

USB: 1 Type A

Component Input: 3

Component Output: 2

Composite Input: 4

Composite Output: 2

S-Video Input: 0

S-Video Output: 0

Subwoofer 2 Output: Yes (discrete signal from subwoofer 1)

Network Connection: 1

Max # of audio channels in Zone A: 13

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, Bluetooth


Total Harmonic Distortion (DSP Bypass): 0.005%

Dolby Processing: Atmos/True HD/Digital Plus&EX/Pro Logic IIz, IIx

DTS Processing: DTS:X/HD Master & High Res. Audio/ES/96/24, Discrete & Matrix6.1/Neo:6/Express/Neural

Auro Processing: Auro 3D, Auro-Matic, Auro 9.1, 10.1

Pure Stereo DSP Bypass Mode: Yes

Video Scaling: 4K Upconversion


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 MX122 remote, 1 Data Out, 2 Power Control Trigger jacks


Channel Formats: 11.2 (7.2.4), 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, Bluetooth, AirPlay, Pandora, SiriusXM, Spotify, vTuner

Unique Crossover Frequency, Each Speaker: Yes

Special Features: Rear Panel USB-Apple Dock, HDMI in standby, Apple AirPlay, Bluetooth


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)


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