Gefen Gefen ToolBox 4x4 HDMI 1.3 Matrix Switch GTB-MHDMI1.3-444-BLK

Have a Question? Ask Our Experts!
Add To Wish List

Four HDMI Inputs, Four HDMI Outputs - In a Slim and Small Form Factor

The GefenToolBox 4x4 Matrix for HDMI is a compact and lightweight alternative to rack-mounted matrixes. It allows up to four set-top boxes, DVD players, or other HDTV devices to be connected to up to four HDTV displays. Features include support for hi-def, Deep Color resolutions up to 1080p@60 Hz combined with advanced lossless digital audio formats for pristine sound reproduction.

How It Works

Connect four Hi Def sources to the GefenToolBox 4x4 Matrix for HDMI's input using the supplied 6-foot HDMI cables. Connect up to four Hi Def displays to the outputs using HDMI cables. Once connected and powered, the Hi Def sources can be selected and switched to display any one-to-one and one-to-many simultaneously.

Note:  HDMI 1.3 Matrix Features Supported:

  • Dolby TrueHD & DTS-HD Master Audio
  • Deep Color (XV Color)
  • 225 MHz (up to 12 bit YUV 444 @ 1080p)
  • Lip-Sync Pass Through


  • Switch easily between four HDMI 1.3 sources
  • Maintains high resolution video - beautiful, sharp HDTV resolutions up to 1080p@60 Hz
  • EDID Management for rapid integration of source and displays
  • Supports LPCM 7.1 audio, Dolby Digital Plus, Dolby TrueHD, and DTS-HD Master Audio
  • Supports DVI source and DVI displays using HDMI-to-DVI converter cable
  • Extends the range of HDMI compliant devices by equalizing and reclocking the HDMI signal
  • HDMI input/output cables may be up to 10/15 meters with 1080p/8-bit resolution
  • HDMI input/output cables may be up to 6/10 meters with 1080p/12-bit resolution
  • Serial port for remote control via RS-232 communications protocols
  • HDMI and HDCP pass-through


  • Video Amplifier Bandwidth: 225 MHz
  • Input Video Signal: 1.2 Volts p-p
  • Input DDC Signal: 5 Volts p-p (TTL)
  • Maximum Video Resolution: 1080p@60 Hz up to 12-bit Deep Color
  • HDMI Connector: Type A 19 pin female; (4) input, (4) output
  • Power Supply: 5V DC (locking)
  • Power Consumption: 20 Watts (max)
  • Dimensions: 6½"W x 11¾"H x 1"D
  • Operating Temperature: 0-40 degrees C
  • RoHS, CE, and UL Certified; Complies with US/EU Standards
  • Wall-mountable
  • HDMI 1.3, HDMI 1.2, HDCP 1.1 and DVI 1.0 Compliant
  • Shipping Weight: 6 lbs.

Package Includes:

  • (1) GefenToolBox 4x4 Matrix for HDMI
  • (1) 5V DC Locking Power Supply
  • (4) 6-foot Locking HDMI Cables (M-M)
  • (1) IR Remote Control
  • (1) Users Manual

Autorized Dealer provides the following benefits:

  • 100% Authentic products and Accessories
  • Manufacturer Warranty & Product Registration
  • Comprehensive Products Training and Knowledge
  • After Sale Technical Support by Certified Professionals
  • Commitment Outstanding Service and Support

Our perks

Great Prices and Exclusive Offers Every Day
Same-day Shipping if Order Placed by 12:00PM PST
Free Expedited Shipping*
We Ship Internationally
Ask Professional Advice via Online Chat, Email, or Phone
Free Technical Support for All Products
30-day Price Match Guarantee
60-day Money Back Guarantee

Connect with us

Join our community! Stay on top of all the latest technology, industry events, and consumer electronics content from around the web.

Sales & expert advice 1.888.660.2962

Live chat