The 4×1 4K HDMI Switcher from Key-Digital supports HDR10, HDCP2.2, and Ultra HD/4K. It features an internal library with 16 default EDID configurations for each input, including native EDID data of output/display. It supports full CEC and features front panel push buttons and LEDs, and optical IR. With Full Buffer system, it manages TMDS re-clocking/signal re-generation, HDCP source and display authentication, hot plug management, and EDID control handshake.
Ultra HD/4K Support
4096 x 2160 or 3840 x 2160 at 30 Hz (4:4:4) and 60 Hz (4:4:4)
Compressed Digital Audio
Dolby TrueHD, Dolby Digital Plus, Dolby Atmos, and DTS-HD Master Audio
Deep Color Support
Up to 12-bit at UHD/4K 24/25/30 Hz (4:4:4)
I2C Communication
EDID and HDCP buffering from display to source
Key Digital KD-S4X1 Specs
| Inputs | HDMI type A, 19-pin female |
| Output | HDMI type A, 19-pin female (each) |
| Bandwidth | 18 Gb/s TMDS |
| Input DDC Signal | 5 V p-p (TTL) |
| Input Video Signal | HDMI: 1.2 V p-p |
| Switch | Digital Switching: 4 x HDMI sources to 1 x HDMI display |
| Resolution Support | SD, HD, and VESA up to UHD/4K |
| Control System | Fully controllable by all IR, RS-232, and TCP/IP supported Control systems via Open API: AMX, Crestron, KNX, RTI, Savant, URC, Leviton |
| Power Supply | KD-PS5V1ASC 100-240 VAC, 50/60 Hz to 5 VDC, 1 A |
| Power Connector | Interchangeable head, screw-in connector |
| Certifications | CE, RoHS, WEEE |
| Enclosure | Black metal |
| Dimensions | 4.50 x 9.80 x 3.35 |
| Weight | 14.4 oz (408 g) |
Packaging Info
| Package Weight | 2.43 lb |
| Box Dimensions (LxWxH) | 8.3 x 4.9 x 3.6″ |