Introduction
This manual provides essential information for the installation, operation, and maintenance of your Muxlab 500422 HDMI 1x8 Splitter 4K. Please read these instructions thoroughly before using the product to ensure proper functionality and to prevent damage.
Safety Information
- Ensure the device is placed in a well-ventilated area to prevent overheating.
- Do not expose the unit to water, moisture, or excessive humidity.
- Use only the provided power adapter. Using an incorrect power supply may damage the unit and void the warranty.
- Avoid placing heavy objects on the unit.
- Do not attempt to open or service the unit yourself. Refer all servicing to qualified personnel.
Package Contents
Verify that all items are present in the package:
- Muxlab 500422 HDMI 1x8 Splitter 4K Unit
- Power Adapter (5VDC, 4A)
- Instruction Manual
Product Overview
The Muxlab 500422 is an HDMI 1x8 Splitter designed to distribute a single HDMI source signal to up to eight HDMI displays simultaneously. It supports 4K resolution, ensuring high-quality video output across all connected screens.

Image: Front view of the Muxlab 500422 HDMI 1x8 Splitter 4K. The device is black with 'Muxlab HDMI 1x8 Splitter' printed on top. The front panel features one HDMI input port, labeled 'Input', and eight HDMI output ports, labeled 'Output 1' through 'Output 8'. A power input port (5VDC, 4A) is located on the right side.
Setup
Follow these steps to set up your HDMI splitter:
- Power Off Devices: Ensure all HDMI source devices (e.g., Blu-ray player, cable box) and display devices (e.g., TV, monitor) are powered off before making connections.
- Connect HDMI Source: Connect an HDMI cable from your HDMI source device to the Input port on the Muxlab 500422 splitter.
- Connect HDMI Displays: Connect HDMI cables from the Output 1 through Output 8 ports on the splitter to your respective HDMI display devices.
- Connect Power: Plug the provided 5VDC power adapter into the power input port on the splitter, then plug the adapter into a standard AC outlet.
- Power On Devices: Power on your HDMI display devices first, then power on your HDMI source device. The splitter will automatically detect the input signal and distribute it to all connected displays.
Operating
Once all connections are made and devices are powered on, the Muxlab 500422 HDMI 1x8 Splitter 4K operates automatically. The input signal will be replicated and sent to all eight output ports. No additional configuration is typically required.
- Ensure all HDMI cables are securely connected to maintain a stable signal.
- If a display is not showing video, verify its input selection is set to the correct HDMI port.
Maintenance
To ensure the longevity and optimal performance of your Muxlab 500422 HDMI 1x8 Splitter 4K, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to clean the exterior of the unit. Do not use liquid or aerosol cleaners.
- Ventilation: Keep the unit free from dust and obstructions to ensure proper airflow and prevent overheating.
- Storage: If storing the unit for an extended period, disconnect it from power and store it in a cool, dry place.
Troubleshooting
If you encounter issues with your HDMI splitter, refer to the following common problems and solutions:
- No Picture/Signal on Display:
- Ensure all HDMI cables are securely connected to both the source, splitter, and displays.
- Verify the splitter's power adapter is correctly connected and the unit is receiving power.
- Check that the display is set to the correct HDMI input source.
- Try connecting the HDMI source directly to a display to confirm the source and display are functioning correctly.
- Test with different HDMI cables, as faulty cables can cause signal loss.
- Flickering or Intermittent Picture:
- Ensure HDMI cables are of good quality and suitable for the resolution being transmitted (e.g., High-Speed HDMI for 4K).
- Check for loose connections.
- Reduce the length of HDMI cables if possible, especially for 4K signals.
- Audio Issues (No Audio or Distorted Audio):
- Verify that the audio settings on your source device are correctly configured.
- Ensure the display's audio is not muted or set to a very low volume.
- Check HDMI cable connections.
Specifications
| Feature | Specification |
|---|---|
| Model Number | 500422 |
| Product Dimensions | 19.69 x 19.69 x 11.02 inches |
| Item Weight | 3 pounds |
| Connector Type | HDMI |
| Cable Type | HDMI |
| Number of Ports | 1 Input, 8 Outputs |
| Supported Resolution | Up to 4K |
Warranty Information
Muxlab products are designed for reliability and performance. This product is covered by a limited warranty against defects in materials and workmanship under normal use. Please refer to the official Muxlab website or your purchase documentation for specific warranty terms and conditions, including duration and coverage details.
Support
For technical assistance, product inquiries, or further support, please contact Muxlab customer service. Contact information can typically be found on the official Muxlab website or in your product packaging.
Muxlab Official Website: www.muxlab.com





