FEELWORLD C4K
FEEWORLD C4K Video Capture Device User Manual
Model: C4K
Introduction
The FEELWORLD C4K Video Capture device is designed for high-quality video capture and recording, supporting resolutions up to 4K at 60Hz. It features HDMI input and loop-out, making it ideal for streaming, gaming, video conferencing, and content creation. This manual provides detailed instructions for setting up, operating, maintaining, and troubleshooting your C4K device.
Package Contents
Upon opening the package, please verify that all components are present and in good condition. The standard package includes:
- FEEWORLD C4K Video Capture Device
- USB-C to USB-A Cable
- User Manual (this document)

Image: Top view of the FEEWORLD C4K Video Capture device, showcasing its sleek aluminum gray finish and the "C4K 4K HDMI CAPTURE" branding.
Setup Guide
Follow these steps to set up your FEEWORLD C4K Video Capture device:
- Connect Power and Data: Connect the USB-C port on the C4K device to a USB 3.0 (or higher) port on your computer using the provided USB-C to USB-A cable. The device is plug-and-play and typically does not require external drivers.
- HDMI Input Connection: Connect your video source (e.g., game console, camera, another computer) to the HDMI IN port on the C4K device using an HDMI cable.
- HDMI Loop-out Connection (Optional): If you wish to monitor your video source on a separate display without latency, connect the HDMI OUT port on the C4K device to an HDMI input on your monitor or TV.
- Audio Input Connection (Optional): For external audio input, connect microphones to the MIC 1 or MIC 2 3.5mm audio jacks. For headphone monitoring, connect headphones to the 3.5mm headphone jack.

Image: Side view of the FEEWORLD C4K, highlighting the USB-C port for connection to a computer and the 3.5mm headphone jack.

Image: Rear view of the FEEWORLD C4K, showing the HDMI IN, HDMI OUT, MIC 1, and MIC 2 ports for video and audio connections.
Operating Instructions
The FEEWORLD C4K is compatible with various operating systems and streaming/recording software. Below are general steps for operation:
- Software Installation: No specific drivers are typically required for the C4K device. It functions as a standard UVC (USB Video Class) and UAC (USB Audio Class) device. Install your preferred streaming or recording software (e.g., OBS Studio, Streamlabs OBS, Zoom, Microsoft Teams, YouTube Live, Twitch Studio).
- Select Device in Software: Open your chosen software. In the video and audio input settings, select "FEEWORLD C4K" or a similar name as your video capture device and audio input device.
- Configure Resolution and Frame Rate: Adjust the resolution and frame rate settings within your software to match your desired output, up to 4K 60Hz. The device supports 240FPS high refresh rate and VRR (Variable Refresh Rate) passthrough for compatible setups.
- Start Streaming/Recording: Once configured, you can begin streaming, recording, or participating in video conferences.

Image: The FEEWORLD C4K device positioned below a collage of popular streaming and video conferencing application logos, illustrating its broad compatibility.
Maintenance
To ensure the longevity and optimal performance of your FEEWORLD C4K device, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to wipe the exterior of the device. Do not use liquid cleaners or abrasive materials.
- Storage: Store the device in a cool, dry place away from direct sunlight and extreme temperatures when not in use.
- Handling: Avoid dropping the device or subjecting it to strong impacts.
- Ventilation: Ensure the device has adequate ventilation during operation to prevent overheating.
Troubleshooting
If you encounter issues with your FEEWORLD C4K device, refer to the following common problems and solutions:
| Problem | Solution |
|---|---|
| No video signal detected. |
|
| No audio detected. |
|
| Video stuttering or freezing. |
|
| Device not recognized by computer. |
|
Specifications
| Feature | Detail |
|---|---|
| Brand | FEELWORLD |
| Model | C4K |
| Hardware Interface | HDMI, USB 3.0 Type C |
| Video Capture Resolution | Up to 4K 60Hz input/loop-out, 1080p capture |
| Operating System Compatibility | Linux (and generally Windows, macOS as UVC/UAC device) |
| Special Features | Automatic Color Control, Channel Editing, Recording Scheduler, Snapshot Function, 240FPS high Refresh Rate, VRR Variable Refresh Rate |
| Color | Aluminum Gray |
Warranty and Support
For warranty information and technical support, please refer to the official FEELWORLD website or contact their customer service directly. Keep your purchase receipt as proof of purchase.
For further assistance, you may visit the FEELWORLD Store on Amazon.
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