Electronics / AV Splitters
User Manual for av link 128.845UK 4K HDMI 2.0 Splitter
Quick guide for the av link 128.845UK 4K HDMI 2.0 Splitter. Learn how to connect your HDMI source to two displays, understand cable length limitations, and view technical specifications.
Table of contents
Manual images
Click an image to enlargeQuick guide from the manual
The av link 128.845UK is a 1x2 HDMI splitter designed to distribute a single HDMI source signal to two displays simultaneously. It supports HDMI v2.0b, allowing for 4K resolution at 60Hz. Ensure you use 4K certified HDMI cables to maintain signal quality.
Technical specifications
- HDMI version: 2.0b
- Video resolution: Up to 3840 x 2160 @ 60Hz
- HDCP version: 2.2
- Max bandwidth: 600 MHz
- Max baud rate: 18Gbps
- Audio formats: DTS-HD, Dolby True, DTS, Dolby-AC3, DSD
- Power supply: Input AC 100-240V, Output DC 5V/1A
- Dimensions: 128 x 53 x 23.5mm
- Weight: 139g
Connection instructions
- Connect the output of your source device (e.g., PC, DVD, STB, PS3) to the INPUT port on the splitter using an HDMI lead.
- Connect the two displays to the OUTPUT1 and OUTPUT2 ports on the splitter using HDMI leads.
- Connect the supplied 5V power adaptor to the splitter and plug it into a mains outlet.
- Switch on the power. The blue LEDs on the front will illuminate when the source and displays are connected and powered on.
Note on cable lengths: To maintain signal integrity, the maximum combined cable length is 35m for 4K@30Hz or FHD signals, and 10m for 4K@60Hz signals.
Device layout
The front panel features LED indicators for IN, OUT1, OUT2, and POWER. The back panel contains the DC/5V power input, the HDMI INPUT port, and two HDMI OUTPUT ports.
Safety warnings
- Do not immerse the device in water or expose it to damp conditions.
- Do not use the device if it is damaged.
- Only use the power supply provided by the manufacturer.
- Disconnect from the mains when not in use for long periods.
- Do not attempt to repair or disassemble the device, as this will invalidate the warranty.
Practical help
Common problems
No image or signal on displays
Check that the total HDMI cable length does not exceed 10m for 4K@60Hz signals or 35m for 4K@30Hz/FHD signals. Ensure all cables are 4K certified.
Resolution is not 4K
Ensure you are using 4K certified HDMI cables. Standard HDMI 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 source device and displays are powered off before making connections.
- Confirm the power outlet is compatible with the provided adaptor (100-240V).
Images and diagrams
- The application diagram shows a single source (PC/DVD/STB/PS3) connecting to the splitter, which then feeds two separate displays.
- The front view diagram identifies the LED indicators for input and output status.
- The back view diagram identifies the physical ports for power and HDMI connections.
Model compatibility
- Supports 4K @ 60Hz resolution.
- Compatible with DTS-HD, Dolby True, DTS, Dolby-AC3, and DSD audio formats.
Manual page author
Emily Carter
User documentation editor
Prepares concise manual descriptions and highlights the most useful setup, operation, and maintenance information for readers.