
Atlona 4 by 4 HDMI
Matrix Switcher
AT-HD-V44M
atlona.com
User Manual
Toll free: 1-877-536-3976
Local: 1-408-962-0515

Table of Contents
1. Introduction ............................................................................................ 3
2. Package Contents ............................................................................................ 3
3. Features ............................................................................................ 3
4. Specifications ............................................................................................ 3
5. Panel Descriptions
a. Front Panel ............................................................................................ 4
b. Rear Panel ............................................................................................ 4
6. Remote Control ............................................................................................ 4
8. RS-232 ............................................................................................ 5
7. Connection and Installation ............................................................................................ 6
11. Safety Information ............................................................................................ 7
12. Warranty ............................................................................................ 8
13. Atlona Product Registration ............................................................................................ 9
atlona.com
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Toll free: 1-877-536-3976
Local: 1-408-962-0515

Introduction
The Atlona 4 by 4 Matrix Switcher with 3D support is designed to make switching between 4 sources
and 4 displays as easy as possible. With IR, RS-232, and front panel control, use the matrix the way
you need. Supporting 1080p or 1920x1200, and all Lossy and Lossless audio formats (including Dolby
TrueHD and DTS-HD Master Audio), the AT-HD-V44M ensures the best experience possible.
Package Contents
• 1 x AT-HD-V44M
• 1 x 12V DC power adapter
• 1 x 19 inch ear mount pair
• 1 x IR remote control
• 1 x IR extender connectors
• 1 x IR receiver module
• 1 x RS-232 package (RS-232 DVD & RS-232 Cable)
RS-232 Cable
IR Receiver and Connectors
Rack mounts
Features
• Switches HDMI Video signal with Audio between 4 sources and 4 displays
• Matrix Switch: each input can be directed to any or all outputs at the same time
• Quick and easy installation
• HDMI digital video/audio format, DVI format, and HDCP compliant
• Supports resolutions up to 1920x1200 and 1080p
• Full 3D support
• Supports all Lossy and Lossless formats (including Dolby TrueHD and DTS-HD Master Audio)
• 3 control interfaces: IR, RS-232, and front panel
• Supports IR extenders with distances up to 300M Maximum
• Input LEDs that auto scan for incoming signals and illuminate when an input is received.
Specifications
Bandwidth frequency 6.75 Gbps
Input Ports 4 HDMI
Output Ports 4 HDMI
1 RS-232
1 IR 3.5mm
Resolution outputs Video: up to 1080p
Vesa: up to 1920x1200
Dimensions (HxWxD) 1.9 x 17.34 x 8.5 (inch) or 48.26 x 440.44 x 215.9 (mm)
Weight 9.5lbs or 4.31kg
atlona.com
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Toll free: 1-877-536-3976
Local: 1-408-962-0515