4×4 HDMI Matrix Switcher

Model Number: AT-H2H-44M

The Atlona AT-H2H-44M is an 4-input, 4-output HDMI matrix switcher featuring support for AV signals with resolutions up to 1080p/60 and 1920×1200 with full 3D pass-through, embedded multi-channel audio, and Audio Return Channel capability.  It features an extensive, internal library of EDID settings plus EDID learning to ensure compatibility between sources and displays.  Each output features an S/PDIF port for audio de-embedding of source signals connected to the matrix or an Audio Return Channel from sources connected to the display.  Set-up and control of the matrix is simplified with a powerful, web GUI.  The AT-H2H-44M is ideal for multi-display and multi-zone applications in residential and commercial settings.


4×4 HDMI Matrix Switcher

4x4 HDMI Matrix Switcher

EDID management

  • Ensures EDID communication between sources and displays
  • Features an internal library of 12 EDID modes and an EDID learning function that can be customized for any connected component

Complete control

  • Easily control the matrix via TCP/IP, RS-232, and GUI; works with most major control systems
  • Included handheld IR remote control plus IR input port for remote placement of included IR receiver
  • SDDP enabled for easy set up and compatibility with Control4 systems


  • An easy to use TCP/IP Web GUI allows network configuration, EDID preset configuration, HDCP support status, RS-232 set-up,  and I/O switching
  • Simplifies matrix set-up and control

Four, flexible S/PDIF ports

  • Each S/PDIF port is tied to an output zone and can be used for either an Audio Return Channel from the display or for source audio de-embedding

  • ARC enables a source connected to a display to route audio back through the HDMI connections to an AVR or zone amp connected to the S/PDIF port

Award-winning 10 year limited product warranty

  • Ensures long-term product reliability and performance in residential and commercial systems
  • Specify, purchase, and install with confidence

Additional features

  • Full 3D, Dolby TrueHD, and DTS-HD Master Audio pass through
  • S/PDIF for audio loop out
  • Audio Return Channel (ARC) pass through
  • Dual purpose wall/rack mount ears included


Atlona Academy – EDID Management


Video 480i@60Hz, 480p@59.94/60Hz, 576i@50Hz, 576p@50Hz, 720p@50/59.94/60Hz, 1080i@50/59.94/60Hz, 1080p@23.98/24/25/29.97/30/50/59.94/60Hz
VESA 800×600@60/75Hz, 1024×768@60/75Hz, 1280×768@60/75Hz, 1280×800@60Hz, 1280×1024@60/75Hz, 1366×768@60Hz, 1440×900@60/75Hz, 1440×1050@60Hz, 1600×900@60Hz, 1600×1200@60Hz, 1680×1050@60Hz, 1920×1200@60Hz
Colorspace RGB, YCbCr 4:4:4, YCbCr 4:2:2
Color depth 8-bit, 10-bit, 12-bit
Formats PCM 2Ch, LPCM 5.1, LPCM 7.1, Dolby Digital, DTS 5.1, Dolby Digital+, Dolby TrueHD, DTS-HD Master Audio, Dolby Atmos, DTS:X
Sample Rate 32kHz, 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz
HDMI 8-bit up to 15 meters up to 50 feet
HDMI 12-bit up to 10 meters up to 30 feet
Bandwidth 6.75 Gbps
HDCP Compliant
Operating 0°C to 40°C 32°F to 104°F
Storage -20°C to 60°C -4°F to 140°F
Humidity 20 to 90% non-condensing
Consumption 20.6W
Idle Consumption 1.8W
Supply Input: AC100~240V 50/60Hz
Output: DC 24V/2.7A
H x W x D 44 x 433.8 x 255 (mm) 1.73 x 17.08 x 10.04 (inch)
W/feet 55.15 x 433.8 x 255 (mm) 2.17 x 17.08 x 10.04 (inch)
Device 2.88kg 6.35lbs
Shipping 7.04kg 15.51lbs
Power Supply CE, FCC, cULus


Features 3D, 1080p, 1920×1200, Dolby TrueHD, DTS-HD Master Audio
Control TCP/IP w/GUI and optional SDDP
Audio Formats PCM 2Ch, Dolby Digital, DTS 5.1
Use Firmware updating

Package Contents

QTY   Item
1   AT-H2H-44M
1   24V DC power supply adaptor
1   IR receiver module
1   Remote control
1   Pair of wall/rack mount ears
1   User manual


pdf-icon DataSheet
pdf-icon Manual
pdf-icon Tech Tips
word-doc-icon IR Codes

Diagrams, Drawings & CAD Files

cad-icon-(1) CAD Files


pdf-icon FAQ

Declarations Of Conformity

pdf-icon Declarations Of Conformity

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AT-H2H-44M Firmware

Download Firmware version 2.0.03
File Size 209 KB
Date 10.18.13

Update 2.0.03 Includes

  • Fixed double IP feedback issue
  • New WebGUI for setup and control
  • DHCP default on
  • SDDP support for Control4 integration

Firmware version 1.0.18

  • TCP/IP feature enabled
  • Added Internal EDID Mode for assigning EDIDs directly to an input
  • Added RS-232 commands: Lock, Unlock, Version, Type and x1All
  • Fixed failure issue with DVI EDID recording
  • Fixed bug that caused IR remote commands to fail when keylock was turned on
  • Fixed feedback for power on and power off commands to show correctly as PWON and PWOFF, followed by a carriage return and line feed

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4x4 HDMI Matrix Switcher