USB-C 4K120 Video Capture Box with Scaler, HDMI 2.1 Loopout, Audio & HDR10 to SDR Conversion

MSRP: $649.00

MSRP $649


The BG-4K120CHA is a cutting-edge USB-C 4K120 video capture device with a scaler, HDMI 2.1 loopout, audio, and HDR10 to SDR conversion, designed for professional HDMI video signal capturing. It utilizes a USB 3.1 Type-C Gen 1 (USB 3.0) interface for high-speed transmission. Additionally, the HDMI input and loopout can support up to 4K2K 120Hz, enabling users to connect to a 4K2K 120Hz source and capture Ultra HD ([email protected]) video. The BG-4K120CHA also captures and displays original uncompressed HDMI video, resulting in more realistic color rendition.

Moreover, the BG-4K120CHA incorporates large volume image buffer technology to effectively avoid video tearing, and the high sampling rate and accuracy ensure images with high sharpness, rich details, and fewer color edges. Furthermore, with HDR10 to SDR conversion, PS5/Xbox Players can enjoy [email protected] HDR games on a 4K TV while recording real-time [email protected]/[email protected] video streams with SDR quality through USB 3.0 simultaneously.

With its advanced features and high-end capabilities, the BG-4K120CHA is an ideal choice for demanding HDMI video capture applications, offering professional-grade performance and versatility.

* PS5 & Xbox Series X also support 1080P120.

  • HDMI video and audio streams over USB 3.1 Type-C Gen 1
  • UVC1.0/1.1/1.5
  • Video resolution up to [email protected]/[email protected] (Video stream over USB-C)
  • HDMI 2.1 compliant
  • HDMI input & output up to 4K2K 120Hz 4:4:4/4:2:2/4:2:0
  • HDR [email protected] 4:2:0 10 bits/12 bits
  • HDCP 2.3 and 1.4 compliant
  • Allows any output to view any HDMI source at any time
  • Deinterlace & scaling (upscaling supports up to [email protected])
  • Mic-in mix with HDMI audio
  • HDMI audio extraction
  • HDR10 to SDR conversion***
  • Play [email protected] HDR on HDMI out while streaming [email protected]/[email protected] with SDR colors for gameplay capture
  • Volume control knob to adjust the MIC/Headphone volume
  • Auto-detection on video format to ensure plug-play operations
  • Supported operating systems: Windows 7/8.1/10/11, Mac, & Linux OS
  • Compatible with most 3rd party software such as OBS Studio and AMCap
  • USB 3.1 Gen 1 (RGB/YUY2/NV12/P010) 4 (capture up to [email protected]) and USB 2.0 (YUY2/NV12) (capture up to [email protected])
  • Low Latency (3~4ms at 1080P)

Note: Please use the included USB 3.0 cable in the box to protect the device and avoid further compatible issues. Video resolution changes may require users to restart software.
*** Does NOT support HDR10 plus, HLG, and Dolby Vision to SDR conversion.

Model Name BG-4K120CHA
Role of usage Video Capture Device
Input Video bandwidth Up to FRL 5 (40G)
Output bandwidth (USB-C) Up to 5 Gbps (USB-C)
Output bandwidth (HDMI) Up to FRL 5 (40G)
Video support (USB-C) Up to [email protected]/[email protected]
Video support (HDMI) Up to 4K2K 120Hz 4:4:4/4:2:2/4:2:0
Audio Input HDMI Embedded Audio & Stereo audio Input
Audio Support HDMI output up to 7.1ch, TOSLINK up to 5.1ch, Stereo audio up to 2ch
Recording Mode Software Compression
Recording Video Format RGB/YUY2/NV12/P010 (USB 3.1 Gen 1), YUY2/NV12 (USB 2.0)
ESD protection Human body model — ±15kV [air-gap discharge] & ±8kV [contact discharge]
PCB stack-up 4-layer board [impedance control — differential 100Ω; single 50Ω]
Firmware update Feasible via USB-C Port
Input 1x HDMI + 1x 3.5mm
Output 1x USB-C + 1x HDMI + 1x 3.5mm + 1x TOSLINK
HDMI connector Type A [19-pin female]
USB connector USB 3.1 Type-C (SuperSpeed USB)
Software compatibility
(not complete list)
OBS Studio (Windows, Linux, MAC), AMCap (Windows), Potplayer (Windows)¸ VLC (OS X, Linux), XSplit Broadcaster (Windows), Skype (Windows, OS X), Zoom (Windows), Hangout (Windows), TeamViewer (Windows)
OS Support Windows 7 /8.1 /10/11, Mac and Linux OS
Housing Metal enclosure
[L x W x H]
Model 7" x 3.2" x 0.9" [177 x 81 x 22mm]
Package 7.8" x 5.4" x 2.9" [198 x 137 x 74mm]
Carton 1'4"x 1'3" x 11.8" [420 x 400 x 300mm]
Weight Model 5.8 oz [165g]
Package 1 lbs [445g]
Power supply Via USB-C
Power consumption 4.5 Watts [max]
Operation temperature 32~104°F / 0~40°C
Storage temperature -4~140°F / -20~60°C
Relative humidity 20~90% RH [no condensation]

Commitment to excellent service and delivering dependable products with efficiency is BZB Gear main staple and foundation.
Our main goal is to ensure your 100% complete satisfaction with our service and products!
If for any reasons you are dissatisfied with your purchase, you can return it back to BZB Gear within 60 days of purchase date for a full refund.


Package Contents
① 1x BG-4K120CHA
② 1x 5V power adapter
③ 1x USB 3.0 A to C Cable (host to device)
④ 1x User Manual
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