AVMatrix UC1218-4KS 4K HDMI to USB 3.0 Capture Box
4K HDMI capture with USB 3.0, loop-out and audio I/O
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article number: 12790 | manufacturer number: UC1218-4KS | EAN/UPC: 6971118003259
The AVMatrix UC1218-4KS is a compact HDMI 2.0 capture box for the professional transmission of video and audio signals via USB 3.0 to a computer. It is suitable for live streaming, recording, video conferencing, training, as well as broadcast and AV applications.
The HDMI 2.0 input processes video signals up to 4K60 and simultaneously provides the input signal via an HDMI loop-out for an additional monitor or other HDMI devices. The USB 3.0 interface with USB Type-C connector transmits video and audio to the connected computer.
The UC1218-4KS supports various capture formats such as RGB24, P010, YUY2, NV12, I420 and MJPG. Depending on the pixel format used, USB capture resolutions of up to 4K60 are possible. This allows the capture box to be flexibly adapted to different requirements in terms of resolution, frame rate and data rate.
Additionally, a separate 3.5 mm line input, microphone input and audio output are available. Through support for the UVC and UAC standards, the capture box operates without special drivers and is automatically recognised by compatible operating systems and applications.
- HDMI 2.0 input for video signals up to 4K60
- HDMI 2.0 loop-out for monitor or additional HDMI devices
- USB 3.0 / USB 3.1 Gen 1 with up to 5 Gbit/s
- USB Type-C connector for video and audio capture
- Capture up to 4K60 depending on pixel format
- Supports RGB24, P010, YUY2, NV12, I420 and MJPG
- 3.5 mm line-in and separate microphone input
- 3.5 mm stereo audio output
- UVC and UAC compatible
- Plug & Play without additional driver installation
- Power supply directly via USB
- Compatible with Windows, Linux and macOS
- Compatible with OBS Studio, Zoom, Teams, Google Meet, YouTube Live, vMix and other applications
- Live streaming and webcasting
- Video recording on PC or Mac
- Video conferencing and online meetings
- Broadcast and studio applications
- Training and remote education
- Gaming and content capture
techn. Specs▲
| Manufacturer | AVMatrix |
|---|---|
| Model | UC1218-4KS |
| EAN | 6971118003259 |
| HDMI Input | 1 × HDMI 2.0 |
| HDMI Output | 1 × HDMI 2.0 Loop-Out |
| USB Interface | 1 × USB Type-C, USB 3.0 / USB 3.1 Gen 1, up to 5 Gbit/s |
| Audio Inputs | 1 × 3.5 mm Stereo Line-In, 1 × 3.5 mm Microphone-In |
| Audio Output | 1 × 3.5 mm Stereo |
| HDMI Input Formats | Up to 4K60, 1440p up to 144 Hz, 1080p up to 240 Hz |
| USB Capture RGB24 | Up to 2560 × 1440p30 |
| USB Capture YUY2 | Up to 2560 × 1440p60 |
| USB Capture NV12 / I420 | Up to 3840 × 2160p30 |
| USB Capture P010 / MJPG | Up to 3840 × 2160p60 |
| Video Formats | RGB24, P010, YUY2, NV12, I420, MJPG |
| Capture Standard | UVC (USB Video Class), UAC (USB Audio Class) |
| Audio | 2-channel PCM, 16 bit |
| Operating Systems | Windows 7/8/10/11, Linux from Kernel 2.6.38, macOS from 10.8 |
| Software Compatibility | OBS Studio, Zoom, Microsoft Teams, Google Meet, YouTube Live, vMix, QuickTime Player, FaceTime and other UVC/UAC-compatible applications |
| Power Consumption | 4.5 W ±10 % |
| Dimensions | 104 × 75.5 × 19 mm |
| Weight | approx. 271–274 g |
| Operating Temperature | -20 °C to +60 °C |
| Storage Temperature | -30 °C to +70 °C |
| Humidity | 20–90 % RH, non-condensing |
| Scope of Delivery | USB 3.0 A-to-C cable |
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Questions & Answers▲
What is the maximum resolution supported by the AVMatrix UC1218-4KS?
The HDMI 2.0 input supports video signals up to 4K at 60 Hz. For USB recording, the maximum possible resolution and frame rate depend on the pixel format used. P010 and MJPG support up to 3840×2160p60, NV12 and I420 up to 3840×2160p30.
What is the difference between HDMI input and USB capture resolution?
The UC1218-4KS can receive an HDMI signal up to 4K60 and pass it through via HDMI loop-out. The capture resolution available via USB additionally depends on the selected video format.
Does the UC1218-4KS require special drivers?
No. The capture box supports UVC and UAC and therefore works with compatible operating systems on a plug-and-play basis without any additional driver installation.
What software can be used with the UC1218-4KS?
The capture box can be used with, among others, OBS Studio, Zoom, Microsoft Teams, Google Meet, YouTube Live, vMix, and other applications that support UVC and UAC devices.
Does the UC1218-4KS have an HDMI loop-out?
Yes. The video and audio signal fed in via HDMI can simultaneously be passed through via the HDMI 2.0 loop-out to a monitor, video mixer, or another HDMI device.
Can external audio sources be connected?
Yes. In addition to HDMI embedded audio, the UC1218-4KS features a 3.5mm line input, a separate 3.5mm microphone input, and a 3.5mm audio output.
Does the capture box require a separate power supply?
No. Power is supplied via the USB connection to the computer.
Which operating systems are compatible with the UC1218-4KS?
Supported operating systems include Windows 7, 8, 10 and 11, Linux from kernel 2.6.38, and macOS from version 10.8.
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