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Small black aluminium capture box with HDMI in, HDMI out, USB 3.0 port and 3.5 mm audio jacks

LUOM

LUOM OZC3B 4K HDMI Video Capturing Device USB 3.0 1080p 60fps 3.5mm Mic Loop-Out

SKU CH-ETF3-80D3S

Captures HDMI video up to 4K@60Hz and records at 1080p 60fps via USB 3.0 with 3.5mm mic input and HDMI loop-out

  • InterfaceHDMI
  • Resolution Support4K
  • Camera ResolutionUp to 4K Video
  • ColorBlack
  • HDMI1 Input/1 Output
  • USB Port1
  • Zero-lag streaming via USB 3.0 up to 1080p 60fps
  • HDMI loop-out passes 4K 60fps to a second screen
  • 5 mm mic in and headphone out for live commentary
  • Works with Windows 7 8 8.1 10 Linux and Mac OS
  • Records MJPEG or YUY2 at 48 KHz PCM audio

What this capture device does

The LUOM OZC3B is a USB 3.0 video capture device that accepts HDMI input up to 4K at 60 Hz and records or streams at 1080p 60fps. It is aimed at streamers, content creators and gamers who want to bring console or camera footage into a PC for live broadcasting or recording. The aluminium housing helps with heat dissipation during extended sessions. It also provides a 3.5 mm microphone input and headphone output for live commentary.

Limits of the USB 3.0 interface

The device captures at a maximum of 1080p 60fps even though the HDMI input can handle 4K 60 Hz signals. MJPEG and YUY2 are the supported video formats, and audio is converted to 48 KHz PCM. The HDMI loop-out passes the source signal through at up to 4K 60fps without adding latency. Compatibility covers Windows 7, 8, 8.1, 10 or later, Linux and Mac OS, though Windows 7 may require a separate driver installation.

Check your setup before ordering

Verify that your source device outputs HDMI and that your computer has a free USB 3.0 port for full bandwidth. If you plan to use the loop-out, ensure your display or downstream device accepts the source resolution. The 3.5 mm jacks are standard TRS; confirm your microphone and headphones use the same connector type. No external power adapter is included, so the host port must supply sufficient current.

Highlights

  • Zero-lag streaming via USB 3.0 up to 1080p 60fps
  • HDMI loop-out passes 4K 60fps to a second screen
  • 5 mm mic in and headphone out for live commentary
  • Works with Windows 7 8 8.1 10 Linux and Mac OS
  • Records MJPEG or YUY2 at 48 KHz PCM audio

Specifications

BrandLUOM
SeriesOZC3B
ModelOZC3B
InterfaceHDMI
Resolution Support4K
Camera ResolutionUp to 4K Video
ColorBlack
HDMI1 Input/1 Output
USB Port1
Option4K

Questions about this item

Which capture resolution should I choose for my stream setup?

The device accepts HDMI input up to 4K at 60 Hz but records and streams at 1080p 60 fps, so select 1080p 60 fps in your streaming software for the actual output.

What does the 4K@60 Hz input rating mean once the card is in my PC?

It means the card can receive a 4K 60 Hz signal from a console or camera, then downscale it internally to 1080p 60 fps for recording or streaming over USB 3.0.

What does the USB 3.0 interface cap in practice?

USB 3.0 provides enough bandwidth for 1080p 60 fps capture with MJPEG or YUY2 formats and 48 KHz PCM audio without added latency.

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