AVMatrix UC1218-4K HDMI to USB Capture Box
4K60Hz capture via Plug-and-Play for streaming and live production
No returned or B-stock items sold as new
One contact who knows the equipment
Not left alone if a defect occurs
Full input-tax deduction for business customers
article number: 12735 | manufacturer number: UC1218-4K | EAN/UPC: 6971118002122
The AVMatrix UC1218-4K is a compact HDMI-to-USB capture box for transmitting HDMI signals to a computer. It supports input signals up to 4K at 60 Hz and outputs the video signal via USB 3.1 Gen1 or USB 3.0 to a PC or Mac.
Thanks to plug-and-play operation, the capture box can be used without additional driver installation and without an external power supply. It complies with UVC and UAC standards, making it suitable for streaming, video conferencing, recording, and live production.
The UC1218-4K is compatible with Windows, Linux, and macOS and can be used with common applications such as OBS, Zoom, YouTube, Microsoft Teams, and Twitch.
- HDMI capture for video signals up to 4K / 60 Hz
- USB 3.1 Gen1 / USB 3.0 output to computer
- Plug-and-play operation without driver installation
- No external power supply required
- Automatic input signal detection
- HDMI input, HDMI Loop Out, and additional HDMI output
- Mic/line audio input and audio output
- Support for HDMI embedded audio and line-in audio
- UVC-compliant video capture
- UAC-compliant audio output
- Compatible with Windows, Linux, and macOS
- Suitable for OBS, Zoom, YouTube, Microsoft Teams, Twitch, and other compatible software
Please note: Images may differ from the product currently supplied. Some product photos have been scaled, background-removed or visually enhanced using artificial intelligence. The product features shown were not intentionally altered.
techn. Specs▲
| Video Connections | 1 x HDMI 2.0 Input, 1 x HDMI 2.0 Loop-Out, 1 x USB Type-C |
|---|---|
| USB Interface | USB 3.0, 5 Gbit/s |
| Audio Connections | 1 x 3.5mm Stereo Line-In, 1 x 3.5mm Stereo Mic-In, 1 x 3.5mm Stereo Audio-Out |
| HDMI Input / Loop-Out | Up to 4K60Hz, 2K144Hz and 1080p240Hz |
| Capture Standard | UVC / USB Video Class and UAC / USB Audio Class |
| Audio Codec | 2-Channel PCM, 16 Bit, 44.1 kHz, 1411 kbps |
| Dimensions | 92 x 58 x 19 mm |
| Weight | 205 g |
Questions & Answers▲
What is the maximum video resolution and frame rate supported by this capture box?
The UC1218-4K supports HDMI input signals up to 4K at 60 Hz. It also handles 2K at 144 Hz and 1080p at 240 Hz, making it suitable for both high-resolution and high-frame-rate sources.
Does this device require a driver installation before use?
No driver installation is required. The capture box operates as a plug-and-play device compliant with the UVC and UAC standards, so it is recognized automatically by the operating system without any additional software setup.
Which operating systems are compatible with this capture box?
The device is compatible with Windows, Linux, and macOS. Because it relies on standard UVC and UAC class drivers built into these operating systems, no third-party drivers are needed on any of these platforms.
Does it need an external power supply to operate?
No external power supply is required. The capture box draws its power directly from the USB connection to the computer, keeping the setup simple and free of additional cables or adapters.
What software applications can be used with this capture box?
It is compatible with widely used applications such as OBS Studio, Zoom, YouTube, Microsoft Teams, and Twitch, as well as any other software that supports UVC-compliant capture devices.
What video and audio connections does this capture box provide?
The device features one HDMI 2.0 input, one HDMI 2.0 loop-out, and one USB Type-C output to the computer. For audio, it includes a 3.5 mm stereo line-in, a 3.5 mm stereo mic-in, and a 3.5 mm stereo audio-out port.
What is the HDMI loop-out used for?
The HDMI loop-out allows the input signal to be passed through to a monitor or display simultaneously while the signal is being captured. This means you can capture and monitor the source on a connected screen at the same time without any additional splitter.
What USB standard does the device use to connect to the computer?
The capture box connects to the computer via USB 3.1 Gen1, which is also referred to as USB 3.0, offering a data transfer rate of up to 5 Gbit/s. The physical connector on the device is USB Type-C.
Is the input signal detected automatically?
Yes, the device features automatic input signal detection. It identifies the connected HDMI source and its signal parameters without requiring manual configuration.
Can external microphones or line-level audio sources be connected?
Yes, the capture box provides both a dedicated 3.5 mm microphone input for mic-level signals and a separate 3.5 mm line-in for line-level audio sources. Both can be used alongside HDMI embedded audio.
Is this capture box suitable for live streaming?
Yes, the device is designed for use cases including live streaming, video conferencing, recording, and live production. Its plug-and-play setup and compatibility with streaming platforms and software make it practical for both professional and personal streaming workflows.
What capture standards does this device comply with?
The UC1218-4K complies with UVC (USB Video Class) for video capture and UAC (USB Audio Class) for audio output. Compliance with these standards ensures broad compatibility across operating systems and applications without the need for proprietary drivers.
product safety (GPSR)▲