1. Introduktion
The LiNKFOR USB DAC Audio Converter (Model DAC070) is designed to convert audio signals from a computer or game console's USB port into various audio output formats. This device functions as an external sound card, providing digital optical (SPDIF), coaxial, analog stereo RCA L/R, and 3.5mm headphone jack outputs.
It is compatible with Windows, Mac, PS3, PS4, and PS5 systems, allowing connection to soundbars, 2.0 channel speakers, and headphones.

Image 1.1: LiNKFOR USB DAC Audio Converter and included USB cable.
2. Pakkens indhold
Bekræft at alle varer er til stede i pakken:
- 1x LiNKFOR USB DAC Audio Converter (Model DAC070)
- 1x 1.5m USB Data Cable
- 1x brugermanual

Billede 2.1: Produktpakkens indhold.
3. Produktet er slutview
Familiarize yourself with the input and output ports of the USB DAC Audio Converter:

Image 3.1: Front and rear panel connections of the USB DAC Audio Converter.
- USB IN: Connects to your computer or game console for audio input and power.
- Strømindikator: A red LED light indicating the device is powered on.
- Optical OUT (Toslink): Digital audio output for connecting to soundbars or optical headphones.
- Coaxial OUT: Digital audio output for connecting to compatible audio receivers.
- RCA L/R OUT: Analog stereo audio output for connecting to 2.0 channel speakers or amplivførere.
- Hovedtelefonstik (3.5 mm): Analog audio output for connecting headphones.
4. Opsætning og tilslutning
The LiNKFOR USB DAC Audio Converter is designed for plug-and-play operation, requiring no additional drivers for most mainstream operating systems. Follow these steps to set up your device:
4.1. General Connection Diagram

Image 4.1: Connection diagram for various devices.
- Connect the provided USB data cable to the USB IN port på konverteren.
- Connect the other end of the USB data cable to an available USB port on your computer (PC/Mac) or game console (PS3/PS4/PS5). The device draws power from the USB port.
- Vælg din ønskede lydudgang:
- For digital audio: Connect an optical (Toslink) cable to the Optisk OUT port or a coaxial cable to the Koaksial OUT port, then connect the other end to your soundbar or audio receiver.
- For analog audio: Connect RCA L/R cables to the RCA L/R OUT ports for 2.0 channel speakers, or plug 3.5mm headphones into the Hovedtelefonstik.
4.2. System Audio Settings
After connecting the hardware, you may need to adjust your operating system's audio settings to select the LiNKFOR USB DAC as the default audio output device. Additionally, for digital optical or coaxial output, ensure the audio format is set to PCM or LPCM, as 5.1 channel audio is not supported by this converter.

Image 4.2: Adjusting audio settings in Mac and Windows.
4.2.1. Windows System Setting
- Åben Computerindstillinger.
- Naviger til Sund.
- Vælg Afspilning fanen.
- Locate and select "Media USB Headphone Set" or a similar entry for the USB DAC.
- Klik Indstil som standard.
4.2.2. Mac System Setting
- Åben Systempræferencer.
- Klik på Sund.
- Vælg Produktion fanen.
- Choose "C-Media USB Headphone Set" or a similar entry for the USB DAC.
5. Betjeningsvejledning
Once the converter is connected and configured, it will automatically process audio signals from your source device. The red power indicator LED on the unit will illuminate when it receives power via the USB connection.
- Ensure your connected audio output device (speakers, headphones, soundbar) is powered on and set to the correct input source.
- Adjust volume levels using your source device (computer/console) or the connected audio output device. The USB DAC itself does not have volume controls.
6. Vedligeholdelse
To ensure the longevity and optimal performance of your LiNKFOR USB DAC Audio Converter, follow these maintenance guidelines:
- Keep the device in a dry environment, away from moisture and direct sunlight.
- Clean the exterior with a soft, dry cloth. Avoid using liquid cleaners or abrasive materials.
- Udsæt ikke enheden for ekstreme temperaturer.
- Undgå at tabe eller udsætte enheden for kraftige stød.
7. Fejlfinding
If you encounter issues with your USB DAC Audio Converter, refer to the following common solutions:
- Ingen lydoutput:
- Verify that the USB cable is securely connected to both the converter and the source device.
- Check if the power indicator LED on the converter is illuminated. If not, try a different USB port or cable.
- Ensure the correct audio output device (e.g., "Media USB Headphone Set" or "C-Media USB Headphone Set") is selected in your computer's or console's sound settings.
- Confirm that your connected speakers or headphones are powered on and their volume is adjusted appropriately.
- Distorted or Incorrect Audio (Digital Output):
- This converter does not support 5.1 channel audio. Ensure your source device's audio output is set to PCM or LPCM format when using optical or coaxial outputs.
- Check the optical or coaxial cable for damage and ensure it is securely connected.
- Kompatibilitet med Windows 11: While the product is generally compatible with mainstream operating systems, some users have reported issues with Windows 11. Ensure your system drivers are up to date and verify compatibility with your specific Windows 11 configuration.
8. Specifikationer
Detailed technical specifications for the LiNKFOR USB DAC Audio Converter (Model DAC070):

Image 8.1: Physical dimensions of the USB DAC Audio Converter.
| Feature | Detalje |
|---|---|
| Mærke | LiNKFOR |
| Modelnummer | DAC070 |
| Minimumsforsyning Voltage | 5 Volts (USB Powered) |
| Monteringstype | Stikmontering |
| Interface Type | USB (Input), Optical, Coaxial, RCA, 3.5mm (Output) |
| Antal kanaler | 2 (stereo) |
| Produktdimensioner | 95 x 66 x 25.5 mm (3.74" L x 2.6" B x 1" H) |
| Materiale | Metal |
| Varens vægt | 6.7 ounce |
| UPC | 670924938095 |
9. Garanti og support
For warranty information and technical support, please refer to the documentation included with your purchase or contact LiNKFOR customer service directly. Specific warranty terms may vary by region and retailer.


