
BZBGEAR BG-4K120CHA PRODUCT MANUAL
Introduction
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 (4K2K@30)
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 4K2K@120 HDR games on a 4K TV while
recording real-time 4K2K@30/1080P@120 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
Features
●HDMI video and audio streams over USB 3.1 Type-C Gen 1
●UVC1.0/1.1/1.5
●Video resolution up to 4K2K@30/1080P@120 (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 4K2K@60 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 1080P@120)
●Mic-in mix with HDMI audio
●HDMI audio extraction
●HDR10 to SDR conversion***
●Play 4K@120 HDR on HDMI out while streaming 4K2K@30/1080P@120 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 4K2K@30) and USB 2.0
(YUY2/NV12) (capture up to 1080@15)
●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
Address: 830 National Drive #140, Sacramento, CA 95834, USA ·Tel: +1(888)499-9906 ·Email: support@bzbgear.com 5