av link 128.846UK 4K HDMI 2.0 Splitter
Quick guide for the av link 128.846UK 4K HDMI 2.0 Splitter. Learn how to connect your devices, understand cable length limits for 4K resolution, and view technical specifications.
Table of contents
Manual images
Click an image to enlargeQuick guide from the manual
To set up your av link 128.846UK HDMI splitter, connect your source device (e.g., PC, DVD player, STB, or console) to the Input port using an HDMI cable. Connect up to four display devices to the Output ports (1-4). Finally, connect the supplied 5V power adaptor to the DC/5V port and plug it into a mains outlet. Blue LEDs on the front panel will illuminate when the source and display devices are connected and powered on.
Product description
The av link 128.846UK is a slimline 4K HDMI splitter designed to distribute a single HDMI source signal to up to 4 displays simultaneously. It features a tough metal chassis and gold-plated connectors for optimal signal transfer. It supports high-resolution video up to 3840 x 2160 @ 60Hz and various audio formats including DTS-HD, Dolby True, and DSD.

Connection instructions
For optimal performance, please adhere to the following connection guidelines:

- HDMI Cables: Always use 4K certified HDMI leads to maintain 4K resolution.
- Cable Length Limits: The maximum combined cable length depends on the resolution:
- 4K @ 30Hz or FHD: 35 meters maximum.
- 4K @ 60Hz: 10 meters maximum.
- Power: Only use the 5V power adaptor provided by the manufacturer.
Technical specifications
- HDMI Version: 2.0b
- Video Resolution: Up to 3840 x 2160 @ 60Hz
- HDCP Version: 2.2
- Audio Formats: DTS-HD, Dolby True, DTS, Dolby-AC3, DSD
- Power Supply: Input 100-240V (50/60Hz), Output DC 5V/1A
- Dimensions: 178 x 67 x 23mm
- Weight: 230g
Safety warnings
- Do not immerse the device in water or expose it to damp conditions.
- Do not use the device if it appears damaged.
- Disconnect the power supply from the mains when the device is not in use for long periods.
- Do not attempt to repair or disassemble the unit, as this will invalidate your warranty.
Practical help
Common problems
Check that the total HDMI cable length does not exceed 10m for 4K@60Hz or 35m for 4K@30Hz/FHD. Ensure all connections are secure.
Ensure you are using 4K certified HDMI leads. Standard cables may not support the required bandwidth.
Before use
- Verify you have the HDMI splitter, 5V power adaptor, and user manual.
- Ensure you have 4K certified HDMI cables for high-resolution setups.
- Check that your power source is compatible with the 100-240V input.
- Confirm the source device is connected to the 'Input' port.
- Confirm display devices are connected to 'Output' ports 1-4.
Specs in practice
- 600 MHz Bandwidth
- Indicates the high data capacity required for 4K@60Hz video signals.
Images and diagrams
- Front View: Displays status LEDs for Input and Outputs 1-4, plus a Power indicator.
- Back View: Shows the DC/5V power input and the HDMI Input/Output ports.
- Application Diagram: Illustrates the flow from a single source (PC/DVD/STB/PS3) to four separate displays.
Model compatibility
- Supports HDMI v2.0b.
- Compatible with 4K digital TV boxes.
- Supports audio formats: DTS-HD, Dolby True, DTS, Dolby-AC3, and DSD.
Manual page author
Michael Turner
Technical manual editor
Reviews PDF manuals for structure, safety notes, and practical product details so readers can find the right information quickly.