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Small black aluminium capture box with HDMI ports and 3.5 mm audio jacks

LUOM

LUOM OZC4-1 4K USB 3.0 video capturing device with 3.5 mm audio

SKU CH-05G4-3FK2F

Captures HDMI video up to 4K at 60 Hz input and records at 1080p 60 fps via USB 3.0 with 4K 30 Hz passthrough and a 3.5 mm audio jack

  • Interface typeUSB 3.0
  • Supported resolutions4K
  • Video resolutionUp to 4K Video
  • HDMI ports1 Input/1 Output
  • USB connection1
  • Variant4K
  • Capture 4K 60 Hz HDMI video via USB 3.0
  • Record 1080p 60 fps footage for streaming or editing
  • Loop 4K 30 Hz signal to a monitor while capturing
  • Connect 3.5 mm mic and headset for live commentary
  • Works with Windows 7 8 10 11 Mac OS Linux Android

LUOM OZC4-1 4K USB 3.0 Capture Device

The LUOM OZC4-1 captures HDMI video sources at up to 4K resolution via a USB 3.0 connection. It uses an MS2131 chipset to deliver low-latency recording and supports MJPEG and YUY2 formats. The aluminium alloy body includes an HDMI 2.0 input and loop-through output plus a 3.5 mm microphone and headphone jack for simultaneous game audio and voice capture. Compatible software includes OBS, VLC and Amcap across Windows, macOS, Linux and Android.

Streamers and creators needing 1080p60 recording

This device suits broadcasters who want to play at 4K 60 Hz on a monitor while recording a 1080p 60 Hz stream for Twitch or YouTube. It also fits console gamers using PS5, Switch or Xbox who need a simple audio mix via the 3.5 mm ports. Buyers who must record at native 4K 60 Hz over USB should look elsewhere because the USB 3.0 output caps at 1080p 60 Hz. Users without an HDMI source or without USB 3.0 ports on their host computer cannot use the capture function.

Plug-and-play setup with common pitfalls

Driver-free installation works on supported operating systems; select the device in OBS or VLC and choose the desired resolution. The loop-through output drops to 4K 30 Hz, so competitive players expecting 4K 60 Hz on the monitor may notice the difference. Audio routing requires setting the 3.5 mm input as the microphone source in streaming software; forgetting this step results in silent commentary. An HDMI 2.0 cable rated for 4K 60 Hz is required but not included.

How it compares

Measured against everything we stock in Video Capture Cards & Boxes, at today’s prices. Recalculated every night.

Price $21.99
Cheaper than about 87% of the 987 comparable items (median $43.99).

Specifications

Product
Brand nameLUOM
Product lineOZC4-1
Model nameOZC4-1
Product colorBlack
Display
Supported resolutions4K
Audio & video
Video resolutionUp to 4K Video
Ports & slots
Interface typeUSB 3.0
HDMI ports1 Input/1 Output
USB connection1
More details
Variant4K

Questions about this item

What HDMI source and USB 3.0 port do I need to capture 1080p at 60 frames per second?

Connect an HDMI 2.0 source capable of 4K at 60 Hz to the input and plug the device into a USB 3.0 port; the MS2131 chipset then outputs up to 1080p 60 Hz over USB.

Will my 4K 60 Hz monitor still receive a 4K 60 Hz signal through the passthrough port?

The loop-out supports 4K at 30 Hz, so a 4K 60 Hz monitor will display at 30 Hz through the passthrough.

How can I confirm the capture is running at 1080p 60 Hz in OBS?

In OBS, add the device as a video capture source, open its properties, and check that the active resolution reads 1080p at 60 frames per second.

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