4×4 4K/18G HDMI Matrix Switcher, with Independent Audio Switching, Balanced/Unbalanced Audio, Audio De-embedding of Analog L/R/PCM

HDMI Matrix Switching: 4/8 HDMI sources to 4/8 HDMI outputs
Ultra HD/4K Support: 4096×2160 or 3840×2160 24/25/30/60hz at 4:4:4 (signals up to 18Gbps bandwidth)
HDCP Licensing: Fully licensed and compatible with HDCP 2.2
HDR10 and Dolby Vision®: 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: Support for long HDMI connectivity using 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® App and Key Digital Management Software™ Pro (KDMS™ Pro) PC Software

Technical:

Input (Each): 1 HDMI Connector, Type A, 19 Pin Female
Output (Each): 1 HDMI Connector, Type A, 19 Pin Female
Output (Each): Balanced/unbalanced line level audio on 6-pin terminal block. Drives 2VRMS line audio input with a sampling rate of 192KHz
Output (each): RCA female for digital audio following SPDIF format (IEC 60958). Supports sampling rate up to 192KHz
Video Bandwidth: TMDS bandwidth 10.2 Gbps
DDC Signal (Data): Input DDC Signal – 5 Volts p-p (TTL)
HDMI Video/Audio Signal: Input Video Signal – 1.2 Volts p-p
DDC Communication: EDID and HDCP Bi-directional buffering to Display and Source
K-Factor: 0.22% @ optimal EQ » Video Isolation (Crosstalk): -45dB @ 5MHz 
Analog Audio Max Output Level: 4dBu on 150kΩ, DC coupling 
Audio Bandwidth: 20Hz to 20kHz @ 0dBu 
TND + Noise: 0.33% @0dBu @ 1kHz » PCM Max Input Level: 1Vpp on 75Ω, AC coupling
PCM Max Output Level: 1Vpp on 75Ω, DC coupling  
Wired IR: modulated IR signal input, 0-5V TTL or -10 to +10V
Power: 12V/3.3A (40W) AC Power Supply with Grounded, 2.1mm ID DC Power Jack with Screw In Type

General:

Regulation: CE, RoHS, WEEE 
Rack Mount: 1U, 1 Rack Width (rack ears included) 
Enclosure: Black Metal 
KD-MS4x4G Dimensions: L = 17.32” W = 5.78” H = 1.72” 
KD-MS8x8G Dimensions: L = 17.32” W = 7.27” H = 1.72”
Shipping Carton Dimensions: L = 23.4” W = 8.54” H = 2.36” 
Product Weight: 6 lb 
Shipping Weight: 9 
Accessories: IR Remote, UL Certified Power Supply

Power Supply (qty 1) 12V/2A, 24W, desktop type, model KDSP12V2ASC
Rack Ears
KD-RMSWPROK Remote Control 
6-Pin Terminal Blocks : KD-MS4x4G – Qty 5 / KD-MS8x8G – (Qty 9)