Alfatron SUK4


Alfatron SUK4

The Alfatron ALF-SUK4 HDMI splitter is capable of repeating an HDMI or DVI source to four displays synchronously. Compliant with HDMI 2.0 and HDCP 2.2, the ALF-SUK4 HDMI splitter provides comprehensive resolution capacities up to 4K and 1080p 3D. It is capable of automatically recognizing the resolution and HDCP compliance status of the input signal. The input signal will be automatically equalized for reliable transmission with proper EDID Management. Moreover, the ALF-SUK4 HDMI splitter supports convenient online updates through the USB port.


Producr Features

  • Four Simultaneous HDMI outputs
  • Supports Hot-plug
  • Supports HDMI 2.0 and HDCP 2.2, and is backward compatible with all previous HDMI standards.
  • Transmits 4Kx2K signal 10m via AWG24 HDMI cable
  • High bandwidth: 18Gbps
  • HDCP compliant
  • Auto-identify input resolution
  • Supports EDID management, automatically adopting the resolution of the first detected display from port 1 ~ 4
  • Intuitive indicator for connection status and input HDCP compliance status
  • Convenient online firmware update


Video Input 
Input  1 x HDMI 
Input Connector  1 x Type-A female HDMI 
HDMI Input Resolution  Up to 4Kx2K@60Hz 4:4:4 8bit 
HDMI Standard  2.0 
HDCP Version  2.2, 1.4 compliant 
CEC  Supported 
Video Output 
Output  4 x HDMI 
Output Connector  4 x Type-A female HDMI 
HDMI Output Resolution  Up to 4Kx2K@60Hz 4:4:4 8bit 
HDMI Standard  2.0 
HDCP Version  2.2, 1.4 compliant 
CEC  Supported 
Control Part  1 x EDID 4-pin DIP switch, 1 x Micro-USB port 
Bandwidth  18Gbps 

HDMI 2.0 Cable Length 

4K@60Hz 4:4:4 ≤ 5m, 4K@60Hz 4:2:0 ≤ 15m, 

1080p ≤ 20m 

Operation Temperature  -10~ +55 
Storage Temperature  -25~ +70 
Relative Humility  10% – 90% 
Power Supply  Input:100V ~ 240V AC, Output: 5V DC 1A 
Power Consumption  2.5W (Max) 
Dimension (W*H*D)  142.0mm x 17.6mm x 70.4mm 
Net Weight  260g 

Download Image



Technical Sheet

User Manual


Firmware Download


1. Q – What is an Alfatron ALF-SUK4?

    A – The ALF-SUK4 is an HDMI input to four synchronous HDMI outputs.

2. Q – Is the unit capable of outputting 4K resolution?

    A – Yes, the maximum resolution is 4K 60Hz 4:4:4.

3. Q – What HDMI standard does the Alfatron ALF-SUK4 support?

     A – The unit supports HDMI 2.0 and is backward compatible.

4. Q – Is CEC supported?

     A – Yes.

5. Q – Does the Alfatron ALF-SUK4 have EDID management?

    A – Yes, there is an EDID dip switch on the front panel.