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Small black aluminium capture box with HDMI in and out plus USB 3.0 and 3.5 mm mic sockets

LUOM

LUOM OZC4 USB 3.0 4K 1080P 60fps Video Capturing Device

SKU CH-DFDM-ZFNTP

A 4K HDMI capture device that records 1080p 60fps video via USB 3.0 with a 3.5 mm mic input and zero-latency loop-out

  • InterfaceUSB 3.0
  • Resolution Support4K
  • Camera ResolutionUp to 4K Video
  • ColorBlack
  • HDMI1 Input/1 Output
  • USB Port1
  • Capture 1080p 60fps footage for smooth recordings
  • Pass-through 4K 30Hz video to your display with zero lag
  • Plug into USB 3.0 for driver-free operation on Windows, Mac, Linux
  • Record commentary via the 3.5 mm microphone input
  • Use HDMI cables up to 15 m at 1080p with AWG26 standard

What this capture card does

The LUOM OZC4 is a USB 3.0 video capturing device that accepts HDMI input up to 4K at 30 Hz and records at 1080p 60fps. It is built for streamers, educators and meeting hosts who need a plug-and-play way to bring external HDMI sources into a computer. No drivers are required on Windows, Linux, macOS or Android. A 3.5 mm microphone input lets you add live commentary without a separate audio interface.

Thermals noise and power

The aluminium alloy shell acts as a passive heatsink, so the unit runs silently with no fan noise during long captures. Power is drawn entirely from the host USB 3.0 port, eliminating the need for an external adapter. The loop-through HDMI output delivers the source signal to a local display at 4K 30 Hz with no added latency, keeping the recording chain cool and quiet.

Build fit and connectivity

One HDMI input and one HDMI output connect the source and a passthrough monitor using standard AWG26 cables up to 15 metres at 1080p or below. The USB 3.0 link carries the captured 1080p 60fps stream to the PC, freeing the system from internal capture cards and PCIe slot constraints. Compatibility with OBS Studio, VLC, PotPlayer, vMix and similar software means the device fits existing streaming workflows without extra hardware.

Highlights

  • Capture 1080p 60fps footage for smooth recordings
  • Pass-through 4K 30Hz video to your display with zero lag
  • Plug into USB 3.0 for driver-free operation on Windows, Mac, Linux
  • Record commentary via the 3.5 mm microphone input
  • Use HDMI cables up to 15 m at 1080p with AWG26 standard

Specifications

BrandLUOM
SeriesOZC4
ModelOZC4
InterfaceUSB 3.0
Resolution Support4K
Camera ResolutionUp to 4K Video
ColorBlack
HDMI1 Input/1 Output
USB Port1
Option4K

Questions about this item

How do I connect the HDMI loop-out and the 3.5 mm mic input on the OZC4?

Plug the source into the HDMI input, run the HDMI output to your display for 4K 30 Hz pass-through, and connect a 3.5 mm microphone to the mic jack for commentary; the USB 3.0 link to the PC needs no driver.

Will the aluminium shell or the HDMI ports need any upkeep after months of streaming?

The aluminium enclosure is passively cooled and has no moving parts, so no internal maintenance is required; keep the HDMI connectors dust-free and avoid bending cables tighter than the AWG26 minimum bend radius.

At what point does the capture frame-rate cap out during a long 1080p 60 fps session?

Recording is limited to 1080p at 60 fps over the USB 3.0 connection; the HDMI loop-out remains at 4K 30 Hz, so the first sustained-use limit you hit is the 60 fps capture ceiling.

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