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4K60 downscale to 1080p60 and to USB3.0 Video Capture

VLUC-USB34K

  • HDMI-to-USB 3.0 4K capture dongle with HDMI input, 4K60 4:4:4 HDMI loop-out, and USB output for simultaneous capture and local monitoring

  • Accepts HDMI input up to 4K@60Hz and downscales to 1080p60 for capture, USB-powered with no external supply

  • HDMI 2.0b (HDCP 2.2) at 18Gbps with 5Gbps USB 3.1 Gen 1 output; uncompressed YUV2 over USB 3.0 or MJPEG over USB 2.0

  • Driver-free on Windows, Linux, and macOS, compatible with OBS, XSplit, VLC, and AMCAP in a compact 47g enclosure

Where to Buy
Six Year Warranty logo

Product Description

The VLUC-USB34K is a HDMI to USB video capture dongle features one HDMI input, one HDMI loop-out, and one USB output. The HDMI input supports video resolutions up to 4K60, while the USB output powers the device and captures video at up to 1080p60.

Ideal for video conferencing, multimedia broadcasting, and other HDMI video capture applications, this device offers a compact and reliable solution for high-quality streaming and recording.

Key Features

  • HDMI 2.0b, HDCP 2.2, USB 2.0, and USB 3.0 compliant

  • 18Gbps HDMI video bandwidth, 5Gbps USB video bandwidth

  • HDMI input up to 4K2K@60Hz; USB output range 480i to 1080p60

  • 4K2K@60Hz downscaling to 1080p60

  • 4K60 4:4:4 HDMI loop-out

  • Operates on Windows, Linux, and macOS

  • USB transmission speed up to 300~350Mb/s

  • Compatible with VLC, OBS, XSplit, AMCAP, and other capture software

  • Compact plug-and-play design

Downloads

DATA SHEET (PDF)
USER MANUAL (PDF)

Specifications

Technical
HDMI Compliance     HDMI 2.0b    
HDCP Compliance     HDCP 2.2    
Video Bandwidth     HDMI: 18 Gbps; USB: 5Gbps    
Video Resolution   Up to 4K2K@60Hz 4:4:4

Video will be in YUV2 with no compression if outputting via a USB 3.0 port; Video will be compressed in MJPEG if outputting via a USB 2.0 port    
USB OUTPUT Resolution     Support 4K24/25/30/50/60 INPUT downscaling to 1080P OUTPUT; For resolutions lower than 1080P, INPUT keeps the same as OUTPUT    
Color Depth     8/10/12-bit    
Color Space     RGB, YCbCr_4:4:4, YCbCr_4:2:2, YCbCr_4:2:0    
HDMI Audio Format     PCM 2.0    
USB Version     USB 3.1 GEN 1    
ESD Protection     Human body model — ±8kV (air-gap discharge) & ±4kV (contact discharge)    
Connection    
Input         1×HDMI Type A [19-pin female]
Outputs         1×HDMI Type A [19-pin female]

1×USB Type A [female]
Mechanical    
Housing     Plastic Enclosure    
Color     Black    
Dimensions     90mm[W] × 60mm[D] × 16mm[H]    
Weight     47g    
Power Supply     USB 5V / 900mA
Power Consumption     3.5W (Max)    
Operating Temperature     0°C ~ 40°C / 32°F ~ 104°F  
Storage Temperature     -20°C ~ 60°C / -4°F ~ 140°F   
Relative Humidity     20 - 90% RH (No condensation)

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