Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your LiNKFOR Digital Audio Splitter SPDIF/Toslink 1x3. This device allows you to split a single digital optical audio source to three output devices simultaneously, enhancing your audio setup flexibility. Please read this manual thoroughly before use to ensure proper functionality and safety.
Package Contents
Please verify that all items listed below are included in your package:
- 1x LiNKFOR Digital Audio Splitter SPDIF/Toslink 1x3
- 1x Optical Cable (1 meter)
- 1x USB Power Cable
- 1x User Manual

Product Features
- 1x3 Optical Audio Splitter: Divides one digital optical Toslink source to three output devices.
- Supported Audio Formats: Compatible with LPCM2.0, DTS, and Dolby-AC3. Note: Does not support 7.1CH Dolby Digital Plus / Dolby TrueHD.
- Lossless & Long-Distance Transmission: Supports signal transmission up to 25 meters (82 feet) with minimal signal loss (<0.2dB/m) via fiber optic cable.
- Anti-Interference Design: Aluminum alloy casing ensures good anti-interference performance and heat dissipation.
- LED Indicator: Provides clear operational status.
- Overvoltage Protection: Prevents damage to the splitter.
- Wide Compatibility: Works with PS3, STB, Xbox, DVD players, Blu-ray players, HDTVs, and power amplifiers.
Product Overview
Familiarize yourself with the ports and indicators on your LiNKFOR Digital Audio Splitter.

- Micro USB / DC 5V: Power input port.
- LED: Power/Status indicator.
- IN: Toslink optical audio input port.
- OUT1, OUT2, OUT3: Toslink optical audio output ports.
Setup Instructions
Follow these steps to connect your LiNKFOR Digital Audio Splitter:
- Connect the Source: Use a Toslink optical cable to connect your digital audio source (e.g., TV, PS3, Xbox, Blu-ray player) to the IN port on the splitter.
- Connect Output Devices: Use up to three Toslink optical cables to connect your audio receiving devices (e.g., soundbar, amplifier, headphones with optical input, Bluetooth optical transmitter, DAC audio converter) to the OUT1, OUT2, and OUT3 ports on the splitter.
- Power On: Connect the provided USB power cable to the DC 5V or Micro USB port on the splitter and then to a 5V USB power adapter (not included) or a USB port on your source device. The LED indicator will illuminate when power is supplied.
- Verify Connection: Ensure all cables are securely connected. Power on all connected devices.


Operating Instructions
Once the splitter is set up, operation is straightforward:
- Ensure all devices (source, splitter, and output devices) are powered on.
- The splitter will automatically distribute the digital optical audio signal from the input source to all three connected output devices.
- Adjust the volume on your individual output devices as needed.
- The LED indicator on the splitter will remain lit, indicating proper power supply and operation.

Maintenance
To ensure the longevity and optimal performance of your LiNKFOR Digital Audio Splitter, follow these maintenance guidelines:
- Keep the device in a cool, dry place, away from direct sunlight, heat sources, and moisture.
- Clean the device with a soft, dry cloth. Do not use liquid or aerosol cleaners.
- Avoid placing heavy objects on top of the splitter.
- Do not attempt to open or repair the device yourself. Refer to qualified service personnel for any repairs.
- When not in use for extended periods, disconnect the power adapter.
Troubleshooting
If you encounter issues with your splitter, please refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No audio output from any device. |
|
|
| Audio output from some devices, but not others. |
|
|
| Distorted or intermittent audio. |
|
|
| LED indicator is off. |
|
|
Specifications
| Feature | Detail |
|---|---|
| Model Number | XUNVC191 |
| Input | 1x Toslink Optical |
| Output | 3x Toslink Optical |
| Supported Audio Formats | LPCM2.0, DTS, Dolby-AC3 |
| Max Transmission Distance | 25 meters / 82 feet (with optical cable loss <0.2dB/m) |
| Power Supply | DC 5V (via Micro USB) |
| Dimensions (L x W x H) | 61 x 57 x 16 mm |
| Weight | 140 grams |
| Housing Material | Aluminum Alloy |
| Country of Origin | China |

Warranty and Support
For warranty information or technical support, please refer to the contact details provided with your purchase or visit the official LiNKFOR website. Keep your purchase receipt for warranty claims.


