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

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Overview Specifications Interfaces Resources Package contents

Overview

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

  • 4K@120Hz
    HDMI input & output up to 4K2K 120Hz 4:4:4/4:2:2/4:2:0
  • Volume control
    Use the volume control knobs to adjust the MIC/Headphone volume
  • Plug and Play
    Auto-detection of video format
  • Software Compatibility
    Compatible with most 3rd party software such as OBS Studio and AMCap
  • Mic-in-mix
    Allows the microphone's audio input to be combined or mixed with the audio that is being transmitted through the HDMI connection
  • Low Latency
    3~4ms at 1080P
  • 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
  • HDR 4K2K@60 4:2:0 10 bits/12 bits
  • HDCP 2.3 and 1.4 compliant
  • Deinterlace & scaling (upscaling supports up to 1080P@120)
  • 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
  • Supported operating systems: Windows 7/8.1/10/11, Mac, & Linux OS
  • 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)

Videos

The ONLY HDMI 2.1 USB-C 4K120Hz Video Capture Card You'll Need - BG-4K120CHA
The ONLY HDMI 2.1 USB-C 4K120Hz Video Capture Card You'll Need - BG-4K120CHA

Tech Specifications

Model Name BG-4K120CHA
Technical
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 4K2K@30/1080P@120
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
Mechanical
Housing Metal enclosure
Dimensions
[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]
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]

PACKAGE CONTENTS

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

Interfaces

  1. STEREO AUDIO IN: Audio extracts from HDMI input.
  2. STEREO AUDIO OUT: Connect to an analog stereo audio source.
  3. S/PDIF OUT: Audio extracts from HDMI input.
  4. RESET BUTTON: Reset the device.
  5. LED INDICATOR: USB-C indicator LED
    [Red] The device is connected to the USB 2.0 port on the host
    [Blue] The device is connected to the USB 3.0 port on the host.
  6. LED INDICATOR: Power & input signal indicator LED
    [Blue] Device powered on (no input signal)
    [Green] Input detects HDMI signal
    [Red] Input source is HDCP protected.
  7. STEREO AUDIO IN VOLUME KNOB: To adjust the stereo audio in sound level.
  8. STEREO AUDIO OUT VOLUME KNOB: To adjust the stereo audio out sound leve.
  9. POWER JACK: Connect to the +5V DC power supply unit.
  10. USB-C OUT: Connect to a USB host (PC, NB, MAC…).
  11. HDMI OUT: Connect to a HDMI display.
  12. HDMI IN: Connect to a HDMI source.