Alfatron SUK4


Alfatron SUK4

The ALF-SUK4 HDMI splitter is an HDMI splitter featuring the capability to repeat HDMI or DVI source to 4 displays synchronously. Compliance with HDMI 2.0 & HDCP 2.2, SUK4 HDMI splitter provides comprehensive resolution capacities up to 4K & 1080p 3D. It’s capable to automatically recognize the resolution and HDCP compliant status of the input signal. The input signal will be automatically equalized for reliable transmission with proper EDID Management.
Moreover, SUK4 HDMI splitter supports convenient online updates through the USB port.


Product Features

  • 4 Simultaneous HDMI outputs
  • Support Hot-plug
  • Support HDMI 2.0 & HDCP 2.2 and is backward compatible with all previous HDMI standards.
  • Transmit 4K x 2K signal for 10m via AWG24 HDMI cable
  • High bandwidth: 18Gbps
  • HDCP compliant
  • Auto-identify input resolution
  • Support EDID management, automatically adopt the resolution of the first detected display from port 1~4
  • Intuitive indicator for connection status & input HDCP compliance status
  • Convenient online firmware update


Video Input 
Input  (1) HDMI 
Input Connector  (1) 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) HDMI 
Output Connector  (4) 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) EDID 4-pin DIP switch, (1) 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


Firmware Download



Technical Sheet

User Manual



1. Q – What is an ALF-SUK4?

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

2. Q – s 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 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 ALF-SUK4 have EDID management?

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