Blustream CMX42AB HDMI Matrix – v2


4 x 2 HDMI matrix lets you manage 4 4K HDMI sources to output to 2 different screens

Available to Order

SKU: BS_CMX42AB Category:

Blustream’s Contractor CMX42AB 4K HDMI Matrix offers unprecedented performance and value for the custom installation market. The CMX42AB supports HDMI2.0 and HDCP2.2, allowing distribution of four HDMI sources to two displays. This enables all sources to be viewed as required within a matrix configuration. The unit transmits all HDMI resolutions up to and including 4K 60Hz 4:4:4. The 4-Way matrix also includes audio breakout and EDID management.


  • Features 4x HDMI inputs which can be independently routed to 2x HDMI outputs
  • Supports HDMI2.0 18Gbps specification including HDR
  • Supports up to 4K UHD 60Hz 4:4:4
  • Supports all industry standard video resolutions including VGA-WUXGA and 480i-4K
  • Supports all known digital HDMI audio formats including Dolby TrueHD, Atmos; DTS-HD Master Audio and DTS:X transmissions
  • HDMI audio breakout to associated output analogue L/R audio and coaxial digital outputs concurrently
  • Control via front panel, IR and RS-232
  • IR routing
  • Supplied with Blustream 5V IR receivers and emitters
  • 3rd Party drivers available for all major home control brands
  • Advanced EDID management
  • HDCP2.2 compliant


  • Video Input Connectors: 4 x HDMI Type A, 19-pin, female, locking
  • Video Output Connectors: 2 x HDMI Type A, 19-pin, female, locking
  • Audio Output Connectors: 2 x RCA (S/PDIF), 2 x Analogue audio L/R (3.5mm stereo jack)
  • RS-232 Serial Port: DB-9, female
  • IR Input Ports: 3 x 3.5mm stereo jack
  • IR Output Ports: 4 x 3.5mm mono jack
  • Mounting Kit Included
  • Unit Dimensions (W x D x H): 255mm x 104mm x 40mm (without feet or connections)
  • Unit Dimensions (W x D x H): 255mm x 115mm x 47mm (with feet and connections)
  • Shipping Weight: 1.6kg
  • Operating Temperature: 32°F to 104°F (0°C to 40°C)
  • Storage Temperature: -4°F to 140°F (-20°C to 60°C)
  • Power Supply: 12V/2A DC

Check out the schematic – Blustream CMX42AB Schematic / Manual


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