1. Introdución
The avedio links 4K HDMI Video Capture Card (Model 6121) is designed for capturing high-quality video and audio from various HDMI sources. It supports 4K@60Hz HDMI passthrough and captures resolutions up to 1080p at 60 frames per second (FPS) via USB 3.0. This device is compatible with multiple operating systems and streaming software, making it suitable for gaming, live broadcasting, video recording, and conference recording.
2. Produto rematadoview
The capture card features a durable aluminum alloy construction and offers essential ports for connectivity. It includes a USB 3.0 interface for high-speed data transfer and 3.5mm audio input/output ports for microphone and headphone connections.

Image: The avedio links 4K HDMI Video Capture Card shown with its included USB and HDMI cables.

Image: A detailed diagram illustrating the USB capture port, HDMI input, HDMI output, and 3.5mm audio ports on the device.
Características principais:
- Paso a través de HDMI 4K: Supports 4K@60Hz HDMI 2.0 passthrough for high-resolution viewing.
- HD Capture Resolutions: Captures video up to 1080p at 60FPS via USB 3.0.
- Interface de audio: Integrated 3.5mm audio input for microphones and 3.5mm audio output for headphones.
- Ampla compatibilidade: Works with Windows, Mac OS, Linux, and popular streaming software like OBS, Twitch, YouTube, Potplayer, and VLC.
- Plug and Play: Easy setup with no complicated driver installation required.
3. Instrucións de configuración
Follow these steps to connect your avedio links 4K HDMI Video Capture Card:
- Conectar a entrada HDMI: Use an HDMI cable to connect your video source (e.g., PS5, Xbox, Nintendo Switch, camera) to the HDMI INPUT port on the capture card.
- Conectar a saída HDMI (opcional): Se queres view your content on a separate display without latency, connect an HDMI cable from the HDMI OUTPUT port on the capture card to your monitor or TV.
- Conectar ao ordenador: Connect the USB 3.0 cable from the capture card to an available USB 3.0 port on your computer (USB-A or USB-C using the provided adapter).
- Conectar dispositivos de son (opcional):
- For microphone input, connect your 3.5mm microphone to the MIC port.
- For headphone output, connect your 3.5mm headphones to the HEADPHONE port.
- Configuración de software: Open your preferred capture/streaming software (e.g., OBS Studio). Add a new source and select "Video Capture Device." Choose the avedio links capture card as your device. Adjust resolution and FPS settings as needed.
Video: A demonstration of connecting the avedio links capture card to a gaming setup and computer for streaming.
OBS Studio Configuration Steps:
- Step 1: Add Video Capture Device

Image: In OBS Studio, click the '+' icon under 'Sources' and select 'Video Capture Device'.
- Step 2: Configure Resolution/FPS

Image: Set 'Resolution/FPS Type' to 'Custom', then choose your desired resolution (e.g., 1920x1080) and FPS (e.g., 60).
- Step 3: Configure Audio Output

Image: Under 'Audio Output Mode', select 'Output desktop audio (WaveOut)' and ensure 'Use custom audio device' is checked, selecting 'C8 USB3.0 Audio'.
- Step 4: Start Recording/Streaming

Image: Click 'Start Recording' or 'Start Streaming' to begin your session.
4. Instrucións de funcionamento
Once connected, the avedio links capture card operates as a plug-and-play device. Your chosen software will detect it as a video and audio input source.
Captura de vídeo:
- The device captures video at up to 1080p 60FPS. Ensure your software settings match this resolution for optimal quality.
- For 4K@60Hz passthrough, the HDMI output will display the original 4K signal on your monitor, allowing you to play games in full resolution while capturing at 1080p.

Image: A gaming setup demonstrating 4K@60Hz HDMI loop-out to a monitor while capturing at 1080p.
Xestión de audio:
- The 3.5mm audio input allows you to connect an external microphone to record your voice alongside game audio.
- The 3.5mm audio output enables you to monitor game audio and your microphone input through headphones.
Vídeo: Un unboxing e máisview of the avedio links capture card, highlighting its features and ease of use.
5. Mantemento
To ensure the longevity and optimal performance of your avedio links capture card, follow these maintenance guidelines:
- Limpeza: Usa un pano suave e seco para limpar o exterior do dispositivo. Evita o uso de produtos de limpeza líquidos ou materiais abrasivos.
- Almacenamento: Store the capture card in a cool, dry place away from direct sunlight and extreme temperatures when not in use.
- Xestión de cables Asegúrate de que todos os cables estean conectados de forma segura e que non estean dobrados nin retorcidos excesivamente para evitar danos.
- Ventilación: Do not block the ventilation openings on the device to prevent overheating.
6 Solución de problemas
If you encounter issues with your capture card, refer to the following common troubleshooting steps:
- Sen sinal de vídeo:
- Check all HDMI cable connections. Ensure they are securely plugged into the correct input/output ports.
- Verify that your video source (console, camera) is powered on and outputting a signal.
- Confirm that your capture software is correctly configured to detect the device and the selected resolution/FPS.
- Try a different HDMI cable or port on your source device.
- Sen audio:
- Ensure your 3.5mm audio devices (microphone, headphones) are correctly plugged into the respective ports.
- Check audio settings in your capture software to ensure the capture card's audio input is selected and not muted.
- Verify that the audio output from your source device is enabled.
- Some users have reported buzzing from the headphone output; try different headphones or cables.
- Mala calidade de vídeo/retardo:
- Ensure the capture card is connected to a USB 3.0 port on your computer for optimal bandwidth. USB 2.0 may result in lower performance.
- Check your computer's specifications. Video capture can be resource-intensive; ensure your CPU and RAM meet the requirements for your desired resolution and FPS.
- Reduce the capture resolution or frame rate in your software settings.
- Pecha as aplicacións innecesarias que se executan en segundo plano para liberar recursos do sistema.
- Dispositivo non recoñecido:
- Try connecting the capture card to a different USB port on your computer.
- Reinicia o teu ordenador.
- Asegúrate de que o teu sistema operativo estea actualizado.
7. Especificacións
| Característica | Detalle |
|---|---|
| Marca | enlaces de avedio |
| Nome do modelo | 6121 |
| Interface de hardware | USB 3.0 |
| Resolución de captura de vídeo | 1080p (up to 60FPS) |
| Passthrough HDMI | 4K@60Hz (HDMI 2.0) |
| Compatibilidade do sistema operativo | Windows 7/8/10/11, Mac OS, Linux |
| Portos de audio | 3.5mm Microphone Input, 3.5mm Headphone Output |
| Peso do elemento | 4.6 onzas |
| Dimensións do paquete | 6.42 x 5.2 x 0.75 polgadas |
| Material | Aliaxe de aluminio |
8. Garantía e soporte
For warranty information and technical support, please refer to the documentation included with your product or visit the official avedio links websitio. Conserve o recibo de compra para reclamacións de garantía.
If you require further assistance, please contact avedio links customer service through their official channels.




