
BG-8K-HS21
8K 2x1 HDMI 2.1 Switcher
User Manual

BZBGEAR BG-8K-HS21 PRODUCT MANUAL
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 2

BZBGEAR BG-8K-HS21 PRODUCT MANUAL
TABLE OF CONTENTS
Statement 4
Safety Precaution 4
Introduction 5
Features 5
Packing List 5
Specifications 6
Operation Controls and Functions 7
Application Diagram 8
Tech Support 9
Limited Product Warranty Terms 9
Mission Statement 10
Copyright 10
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 3

BZBGEAR BG-8K-HS21 PRODUCT MANUAL
Statement
Please read these instructions carefully before connecting, operating, or configuring this
product. Please save this manual for future reference.
Safety Precaution
● To prevent damaging this product, avoid heavy pressure, strong vibration, or immersion
during transportation, storage, and installation.
● The housing of this product is made of organic materials. Do not expose to any liquid,
gas, or solids which may corrode the shell.
● Do not expose the product to rain or moisture.
● To prevent the risk of electric shock, do not open the case. Installation and maintenance
should only be carried out by qualified technicians.
● Do not use the product beyond the specified temperature, humidity, or power supply
specifications.
● This product does not contain parts that can be maintained or repaired by users.
Damage caused by dismantling the product without authorization from BZBGEAR is not
covered under the warranty policy.
● Installation and use of this product must strictly comply with local electrical safety
standards.
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 4

BZBGEAR BG-8K-HS21 PRODUCT MANUAL
Introduction
The BG-8K-HS21 is an 8K 2x1 HDMI 2.1 switcher that can switch 2 connected HDMI
sources to 1 HDMI display. It supports video resolutions up to 8K@60Hz 4:4:4 with up to
48Gbps of video bandwidth. It is suitable for outdoor displays, video conferencing, security
monitoring, home theater, and other applications.
The BG-8K-HS21 also works well with XBOX series X and PS5 gaming consoles to achieve
a resolution of 4K@120hz on compatible TVs and monitors. Users can switch between two
sources by pressing the button on the top panel of the switcher.
Features
● HDMI 2.1 and HDCP 2.3 compliant
● Support 48Gbps video bandwidth
● 8K@60Hz 4:4:4 8/10/12-bit, 8K@60Hz 4:2:0 12-bit, 8K@ 30Hz 4:4:4 10-bit,
4K@120Hz 4:4:4 10-bit video support
● HDR, HDR10, HDR10+, Dolby Vision, HLG pass through
● VRR, FVA, ALLM
● HDMI audio formats: LPCM 7.1CH, Dolby TrueHD, and DTS-HD Master Audio
● 2x1 manual switch or auto switch capabilities
● Built-in Equalizer and Driver
● Auto EDID management
● Compact design for easy and flexible installation
Packing List
● 1x 8K Two-Input HDMI Switcher
● 1x Micro USB Power Cable
● 1x User Manual
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 5

BZBGEAR BG-8K-HS21 PRODUCT MANUAL
Specifications
Technical
HDMI Compliance
HDMI 2.1
HDCP Compliance
HDCP 2.3
Video Bandwidth
48 Gbps
Video Resolution
Up to 8K@60Hz 4:4:4 8/10/12-bit, 8K@60Hz 4:2:0 12-bit,
8K@30Hz 4:4:4 10-bit, 4K@120Hz 4:4:4 10-bit
Color Depth
8-bit,10-bit,12-bit
Color Space
RGB, YCbCr 4:4:4 / 4:2:2 / 4:2:0
HDMI Audio Formats
LPCM, Dolby Digital/Plus/EX, Dolby True HD, DTS, DTS-EX,
DTS-96/24, DTS High Res, DTS-HD Master Audio, DSD
Connection
Input
2× HDMI IN [Type A, 19-pin female]
Output
1× HDMI OUT [Type A, 19-pin female]
Mechanical
Housing
Plastic Enclosure
Silkscreen Color
Black
Dimensions
60mm (W) × 60mm (D) × 12mm (H)
Weight
31g
Power Supply
USB 5V
Power Consumption
1.25W (Max)
Operation Temperature
0°C ~ 40°C / 32°F ~ 104°F
Storage Temperature
-20°C ~ 60°C / -4°F ~ 140°F
Relative Humidity
20~90% RH (non-condensing)
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 6

BZBGEAR BG-8K-HS21 PRODUCT MANUAL
Operation Controls and Functions
No.
Name
Function Description
1
Switch button /Power
LED
Short pressing the switch button will allow the device to switch between
the two HDMI input signals to the HDMI display; long press this button
to enter the auto switching mode. When a new device is detected it will
automatically switch.
Power: When the device is powered on, the green power LED will
illuminate.
2
Input LED (1~2)
When an HDMI IN port is selected as the input source channel, the
corresponding green LED will illuminate.
3
HDMI IN1/2 port
Connect to HDMI source devices such as a Bluray player or PS5 with
an HDMI cable.
4
POWER
DC 5V USB power input port.
5
HDMI OUT port
Connect to an HDMI display device such as a TV or Monitor with an
HDMI cable.
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 7

BZBGEAR BG-8K-HS21 PRODUCT MANUAL
Notes:
1. While using the HDMI switcher, using the Micro USB cable power is not always
necessary. However, some HDMI devices may have insufficient power via HDMI and will
require the Micro USB to be connected to a power source.
2. If you need to use the switcher to output signals of 4K@120Hz or 8K@60Hz, please
ensure that your HDMI cables (HDMI signal source and HDMI display) all support the
above resolutions.
3. The length of the HDMI cables connected to both ends of the switcher should not be
too long, otherwise, it will easily cause the screen to flicker. The following HDMI cables
lengths are suggested:
8K@60, 8K@30, 4K@120: Ultra HDMI 2.1 cable, IN/OUT 2 meters.
4K@60 4:4:4: HDMI 2.0 cable, IN/OUT 3 meters.
4K@60 4:2:0, 4K@30, 1080P: HDMI cable, IN/OUT 5 meters.
Application Diagram
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 8

BZBGEAR BG-8K-HS21 PRODUCT MANUAL
Tech Support
Have technical questions? We may have answered them already!
Please visit BZBGEAR’s support page (bzbgear.com/support) for helpful information and
tips regarding our products. Here you will find our Knowledge Base
(bzbgear.com/knowledge-base) with detailed tutorials, quick start guides, and step-by-step
troubleshooting instructions. Or explore our YouTube channel, BZB TV
(youtube.com/c/BZBTVchannel), for help setting up, configuring, and other helpful how-to
videos about our gear.
Need more in-depth support? Connect with one of our technical specialists directly:
Phone
1.888.499.9906
Email
support@bzbgear.com
Live Chat
bzbgear.com
Limited Product Warranty Terms
Pro Line: 5-year warranty from the date of purchase for AV/Broadcasting products bought
on or after August 1, 2024.
Essential Line: 3-year warranty from the date of purchase for AV/Broadcasting products
bought on or after August 1, 2024.
Cables: Lifetime Limited Product Warranty.
For complete warranty information, please visit bzbgear.com/warranty.
For questions, please call 1.888.499.9906 or email support@bzbgear.com.
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 9

BZBGEAR BG-8K-HS21 PRODUCT MANUAL
Mission Statement
BZBGEAR is a breakthrough manufacturer of high-quality, innovative audiovisual equipment
ranging from AVoIP, professional broadcasting, conferencing, home theater, to live
streaming solutions. We pride ourselves on unparalleled customer support and services.
Our team offers system design consultation, and highly reviewed technical support for all
the products in our catalog. BZBGEAR delivers quality products designed with users in
mind.
Copyright
All the contents in this manual and its copyright are owned by BZBGEAR. No one is allowed
to imitate, copy, or translate this manual without BZBGEAR’s permission. This manual
contains no guarantee, standpoint expression or other implies in any form. Product
specification and information in this manual is for reference only and subject to change
without notice.
All rights reserved. No reproducing is allowed without acknowledgement.
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 10
