7
Cable Information, Introduction and Performance Features 
Introduction
Performance Features
The MX122 A/V Processor sets the standard of excel-
lence in a Home Theater System. The MX122 pro-
vides superior multichannel reproduction, Audyssey
®
 
Room correction, the latest in digital audio decoding 
and digital video processing circuitry.
• Digital 4K and 3D Video Switching
There are seven HDMI 2.0a Inputs. Two Zone A 
HDMI Outputs including Digital Audio Return 
Channel (ARC) signal from the TV
1
, thus eliminating 
the need for an extra cable and simplifies operation. 
HDMI inputs are compatible with HDCP 2.2, Deep 
Color, x.v.Color, Auto Lipsync and HDMI Component 
Control.
• Analog Video/Audio Switching with Scaling
Component Video Inputs and Composite Video Inputs 
(Analog Video Signals) are also converted to a Digital 
Video Signal with resolution up to 4K at the HDMI 
Outputs.
• Direct Access
There are 9 Analog (one eight channel input) and 11 
Digital Audio Inputs along with 7 Analog and 7 Digi-
tal Video Inputs.
• Balanced Inputs and Outputs
A pair of Balanced high level Inputs and an 11.2 chan-
nel Balanced Output are provided, permitting long 
cable lengths without a loss in sound quality.
• Moving Magnet Phono Input
There is a Precision Phono Preamplifier for Moving 
Magnet Cartridges.
• Built-in Dolby Atmos, DTS-X and Auro-3D 
Master Decoders
The MX122 also provides built-in decoding of the 
Dolby True HD and DTS Master HD Sound Tracks.
• Internet Streaming
The MX122 when connected to a network, offers 
Internet Radio, with music and photo streaming.
• On-Screen and Multifunction Fluorescent 
Displays
A comprehensive On-Screen Display capability makes 
it easy to perform setup and operational adjustments 
using the Remote Control. The front panel display 
indicates input selection, volume levels, and other 
operating functions.
• LED Channel Status Indicators
The MX122 includes twenty-five LEDs on the front 
panel to indicate what type of operating signals are 
being received, signal processing mode and the output 
format chosen.
• Audyssey DSX
®
Audyssey DSX is a scalable system that adds new 
speakers to improve surround impression.
Audyssey DSX rst adds Wide channels for the 
biggest impact on envelopment and then creates
Height channels to reproduce the next most important 
acoustical and perceptual cues. Surround
Envelopment Processing is used to enhance the blend 
between the front and surround channels.
• Digitally Controlled Volume and Tone Controls
A Precision Tracking Volume Control adjusts all 
twelve channels with tracking accuracy better than 
0.5dB. The Bass and Treble circuits provide a wide 
range of tone shaping with no loss in traditional McIn-
tosh sonic excellence.
• Triple Zones
The MX122 has the built-in ability to control a sepa-
rate remote audio/video zone (Zone 2) with program 
selection independent of the Main Zone, using a 
dedicated power amplifier and speakers. There is also 
a third Zone (Zone 3) providing a separate audio only 
source to another room.
• Fiber Optic Solid State Front Panel Illumination
The Illumination of the Glass Front Panel is accom-
plished by the combination of custom designed Fiber 
Optic Light Diffusers and extra long life Light Emit-
ting Diodes (LEDs). This provides even Front Panel 
Illumination and is designed to ensure the pristine 
beauty of the MX122 will be retained for many years.
• Triggers and Full Function Remote Control
The Triggers (Power Control) provide convenient 
Turn-On/Off of components connected to the MX122. 
The Remote Control Push-buttons provide complete 
control of the MX122 operating functions.
• Machined Side Panels
The sides of the MX122 are machined from thick alu-
minum panels with a smooth black finish.
• Special Power Supply
The Power Supply has Multiple Regulators to ensure 
stable noise free operation even though the power line 
varies.
1
 For TVs with ARC compatibility