4X2 4K 18Gbps UHD HDMI Matrix Switcher with Audio Extraction & Downscaling Support

MSRP: $299.00

MSRP $299


The BG-UHD-42M is a 4K HDMI matrix switch with four HDMI inputs and two HDMI outputs. This unit can be used to route any of the four HDMI inputs to either of the two HDMI outputs. This matrix is a great choice for anyone looking to share up to four 4K sources between two TVs. Applications include conference rooms, sports bars, restaurants, and auditoriums.

Connectivity and Features

The BG-UHD-42M supports a maximum resolution of [email protected] 4:4:4. With 18 Gbps of uncompressed bandwidth, HDMI signals are routed with no loss of quality. All HDMI ports on this device are HDMI 2.0a and HDCP 2.2 compliant. Both HDMI outputs support downscaling from 4K to 1080p, ensuring compatibility with legacy displays.

Dolby Vision, HDR 10+, HLG, and CEC are supported. With optical and analog outputs, the BG-UHD-42M provides audio de-embedding from each HDMI input. Audio Return Channel (ARC) is supported.


The advanced EDID management of the BG-UHD-42M increases reliability and makes it easy to overcome HDMI connectivity issues. The matrix can be controlled using the front panel buttons or with the included IR remote control.

Stunning Image Quality
Supports resolutions up to [email protected] 4:4:4
HDMI 2.0, HDCP 2.2/HDCP1.4 and DVI 1.0 compliant
Advanced EDID management for rapid integration of sources and displays
Easy to Use
Flexible control via front panel buttons and IR remote
4x2 Matrix
Route any of the 4 inputs to either of the 2 outputs
Supports resolution downscaling from 4K to 1080P
  • Supports 18Gbps uncompressed bandwidth on all HDMI ports
  • Features 4 HDMI inputs and 2 HDMI outputs
  • Supports Dolby Vision, HDR 10+, HLG, and CEC function
  • Supports audio de-embedding via optical and analog outputs
  • Durable metal enclosure designed to last for years
  • Supports ARC



HDMI Compliance HDMI 2.0
HDCP Compliance HDCP 2.2 and HDCP 1.4
Video Bandwidth 18 Gbps
Video Resolution Up to [email protected]/60Hz(YCbCr 4:4:4), [email protected]  All HDMI 3D TV format, etc.
Color Space RGB, YCbCr4:4:4, YCbCr4:2:2, YCbCr 4:2:0
Color Depth 8-bit, 10-bit, 12-bit [1080P, [email protected], [email protected] (YCbCr 4:2:0)] 8-bit [[email protected] (YCbCr4:4:4)]
HDMI Audio Formats PCM2.0/5.1/7.1CH, Dolby Digital/Plus/EX, Dolby True HD, DTS, DTS-EX,DTS-96/24, DTS High Res, DTS-HD Master Audio, DSD
Optical Audio Formats PCM2.0, Dolby Digital / Plus, DTS
L/R Audio Formats PCM2.0CH (Note: If ARC function is turned on, the audio port will mute.)
ESD Protection Human-body Model: ±8kV (Air-gap discharge), ±4kV (Contact discharge)


Input Ports 4×HDMI Type A [19-pin female]
Output Ports 2×HDMI Type A [19-pin female] 1×L/R audio out [3.5mm Stereo Mini-jack] 1×OPTICAL audio out [S/PDIF]


Housing Metal Enclosure
Color Black
Dimensions 9.9"(W) x 4.1”(D) x 0.79"(H) [251mm(W) x 105mm(D) x 20mm(H)]
Weight 1.97lbs [620g]
Power Supply Input: AC100~240V 50/60Hz Output: DC12V/1A
Power Consumption 3.8W (max)
Operating Temperature 32°F ~ 104°F / 0°C ~ 40°C
Storage Temperature -4°F ~ 140°F / -20°C ~ 60°C
Relative Humidity 20~90% RH (non-condensing)

Ideal fit for:
  • Conference Rooms
  • Sports Bars/Restaurants
  • Auditoriums
  • Professional A/V Installers
  • Small Businesses owners
  • Universities
Power LED: The blue LED will illuminate when the product is connected to the power supply.
IR: IR receiver window.
OUT A button and LEDs: Press the OUT A button to select an input source to OUT A output, the corresponding blue LED will illuminate.
OUT B button and LEDs: Press the OUT B button to select an input source to OUT B output, the corresponding blue LED will illuminate.
AUDIO button: Press AUDIO button to select to extract the input source audio.
4K→1080P button: Press the button to select OUT A or OUT B 4K→1080P downscale function.
ARC button: Turn on / off ARC function. The ARC LED will illuminate when you turn on the ARC function.
HDMI IN ports: HDMI input ports, connect to HDMI source devices with an HDMI cable.
HDMI OUT A / OUT B ports: HDMI output ports, connect to HDMI display devices with an HDMI cable.
OPTICAL / L/R ports: Connect to an audio output device such as an amplifier or speaker with optical and analog audio cable.
EDID AUTO / COPY / STD: AUTO: Compares display device’s EDID information from each output and then sends the best option for both to the source device.
COPY: Copies ‘Out A’ display device’s EDID information to source device of Out A and Out B.
STD: Out A and Out B display device output default 1080P.
SERVICE port: Firmware update port.
DC 12V: Plug in a 12V/1A adapter to the AC wall outlet for power supply.

BZBGEAR 4x2 HDMI Matrix Switcher & Scaler for 4K 18Gbps 4:4:4 Signals















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.

Product Brochure

Package Contents
① 1x HDMI2.0 Matrix Switcher
② 1x 12V/1A Locking Power Adapter
③ 2x Mounting Ears
④ 1x IR Remote
⑤ 1x User Manual
Technical Support 7 Days a week*
BZBGEAR offers exceptional Technical Support and Resources including Product
Manuals, Videos, FAQ’s and an extensive Knowledge Base section.
*Weekends/Holidays by appointment only
Products With
Ultimate Confidence


AV Products - Stress Free 3-year Warranty.

Cameras & related products - Stress Free 5-Year Warranty.

Technical Support

Contact our technology experts 5-days a week by Chat, Email or Phone.

(Support is available on Saturday and Sunday by appointment only).

Free Shipping

Ground shipping - Always free!

Expedited / Overnight shipping is available until 3:30pm PST.