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Gefen 4 x 4 Matrix for HDMI 4K x 2K GTB-HD4K2K-444

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  • Overview
  • Specifications
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Route four Ultra Hi-Def sources to four Ultra HD displays with FST, 3DTV, and 4K x 2K Ultra High-Definition support

The GefenToolBox 4x4 Matrix for HDMI 4Kx2K is a compact and lightweight alternative to rack-mounted matrixes. It allows up to four Ultra High Definition 4K x 2K or 1080p Full HD sources to be routed to up to four Ultra HD displays. This product supports resolutions up to 4K x 2K (3840 x 2160@30Hz). Deep Color, 3DTV pass-through, and lossless audio formats such as LPCM 7.1, Dolby® TrueHD, and DTS-HD® Master Audio™ are also supported. Each Hi-Def source can be routed to any of the connected displays using the front panel push-button controls, the included IR remote, RS-232 serial control interface, or through IP, using Telnet, UDP, and the built-in web server interface. LED indicators on the top panel display the current routing status, FST mode, audio configuration, and EDID settings.

Learn more about the Gefen GTB-HD4K2K-444




3D Support


HDMI Input Connectors: 4 x Type A 19-pin female, locking
HDMI Output Connectors: 4 x Type A 19-pin female, locking
Serial Interface
1 x DB-9, female
Network Interface
1 x RJ-45
USB Port
1 x Mini-B


LED Indicator
Power Indicator: 1 x LED, blue
FST Indicators: 2 x LED, green
Audio Indicators: 2 x LED, green
EDID Indicators: 3 x LED, green
Routing Indicators: 16 x LED, green


Power Consumption
13 Watts (max.)
Power Supply


Maximum Pixel Clock: 300 MHz

FST Selector: 1 x tact-type, recessed push-button

Audio Selector: 1 x tact-type, recessed push-button

EDID Selector: 1 x tact-type, recessed push-buttons

Routing Selectors: 4 x tact-type push-buttons

IR Sensor: 1 x, on front panel

IR Extender Port: 1 x 3.5mm mini-stereo jack

DC Power Connector: 1 x Locking type

Operating Temperature: +32 to 104 F (0 to +40 C)


Routes four Ultra Hi-Def sources to four Ultra HD displays

Supports resolutions up to Ultra HD 4K x 2K (3840 x 2160 @ 30Hz) and 1080p Full HD

Supports 12-bit Deep Color

3DTV pass-through

Lip Sync pass-through

Push button controls for Routing, FST Modes, Audio, and EDID management

FST Technology speeds up HDCP authentication process

Advanced EDID Management for rapid integration of sources and displays

Supports LPCM 7.1, Dolby TrueHD, Dolby Digital Plus, and DTS-HD Master Audio

Supports the use of DVI sources and DVI displays with HDMI-to-DVI adapters (not included)

RS-232 Serial interface for remote control using a computer or automation control system

IP control via Telnet, UDP, and the built-in web server interface

IR remote control

Field-upgradeable firmware via Mini-USB and IP ports

Locking Power Supply



11.9"(H) x 6.9"(W) x 1.0"(D)


Package Content
1 x 4x4 Matrix for HDMI 4Kx2K (GTB-HD4K2K-444/GTB-HD4K2K-444-BLK)

1 x DB-9 Cable (CAB-DB9-6MF)

1 x IR Remote (RMT-16IRN)

1 x 5V DC Power Supply (EXT-PS54AULPN)

1 x AC Power Cord (CAB-POWERCORD-XX)

1 x Quick-Start Guide (QSG-GTB-HD4K2K-444)
Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 2 years
  • Limited Warranty period (labor): 2 years
  • Read full details

Customer Reviews of the Gefen GTB-HD4K2K-444

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