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Key Digital KD-MS4x4G 4x4 4K/18G HDMI Matrix Switchers with Independent Audio Switching/Balanced/Unbalanced Audio

In stock (50 items available)
  • Brand
    Key Digital
  • SKU
  • Weight
    9.00 lbs
  • Warranty
    3 Years
  • Condition
  • Status

  • $1250.00

Questions? Ask our experts!
  • Weight
    9 lbs
  • SKU
  • Mnf#/Vendor#
    Key Digital

The KD-MS4x4G is a top-grade 4-input 4-output 4K/ 18G HDMI Matrix Switcher that enables Unbalanced/ Balanced Audio, Independent Audio Switching, and Audio De-embedding of Analog L/R/PCM.

The KD-MS4x4G and KD-MS8x8G are high-performance 4K matrix switchers from Key Digital that features support for 18Gbps signal bandwidth and enables HDCP 2.2 compliance to function. The devices can route and transmit four/eight HDMI source signals to four/eight displays. The KDMS4x4G and KD-MS8x8G Matrix feature four/eight analog and digital audio outputs which you can separately manipulate to match the HDMI output selection or individually switch to allow a wide array of typical applications in professional AV systems integration. The unit support all VESA, HD, SD, and Ultra Hi-Def/4K video standards up to UHD/4K 18G & 1080p. Every UHD/4K EDID handshake data feature HDR header information.


  • HDMI Matrix Switching: 4 HDMI sources to 4 HDMI outputs
  • Ultra HD/4K Support: 4096x2160 or 3840x2160 24/25/30/60hz at 4:4:4 (signals up to 18Gbps bandwidth)
  • HDCP Licensing: Fully licensed and compatible with HDCP 2.2
  • HDR10 (High Dynamic Range): More life- like images through a greater range of luminance levels
  • Resolution Support: Supports all SD, HD, and VESA (VGA, SVGA, XGA, WXGA, SXGA, UXGA) up to 4096x2160p
  • Deep Color Support: Up to UHD/4K 60Hz 4:2:0/12 bits, 60Hz 4:2:2/12 bits
  • Independent Audio and Video Matrix: Output HDMI and Audio ports may switch together or independently
  • Full Buffer System™: Manages TMDS re-clocking / signal re-generation, HDCP authentication to source & display, and EDID Control handshake
  • EDID: Internal library with 15 internal EDID configurations per input, in addition to native EDID data for any Output/Display
  • TMDS re-clocking: Long HDMI connectivity support with Key Digital® HDMI cables
  • Lossless Compressed Digital Audio: Dolby® TrueHD, Dolby® Digital Plus, DTS-HD Master Audio™, and Dolby® Atmos
  • Control: Front panel buttons/LEDs, Serial IR, Optical IR, RS-232 Control, and TCP/IP Control
  • Control System Support: Key Digital® app ready. Key Digital Management Software™ Pro (KDMS™ Pro) ready, Compass Control® Pro ready. Fully controllable by all IR, RS- 232, and TCP/IP supported control systems via open API.
  • Key Digital® App & KDMS® Pro Ready: Scan & detect population for pre-built GUI and TCP/IP control via Key Digital® iOS App and Key Digital Management Software™ Pro (KDMS™ Pro) PC Software