BG-8K-HS21A
2x1 8K UHD HDMI 2.1 Switcher with Audio De-embedder
User Manual
BZBGEAR BG-8K-HS21A PRODUCT MANUAL
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 2
BZBGEAR BG-8K-HS21A PRODUCT MANUAL
TABLE OF CONTENTS
Statement 4
Safety Precaution 4
Surge protection device recommended 4
Introduction 5
Features 5
Packing List 5
Specifications 6
Operation Controls and Functions 7
IR Remote 9
Connection Diagram 9
Troubleshooting 10
Tech Support 11
Limited Product Warranty Terms 11
Mission Statement 12
Copyright 12
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 3
BZBGEAR BG-8K-HS21A 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.
Surge protection device recommended
This product contains sensitive electrical components that electrical spikes, surges, electric
shocks, lightning strikes, etc may damage. Use of surge protection systems is highly
recommended to protect and extend the life of your equipment.
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 4
BZBGEAR BG-8K-HS21A PRODUCT MANUAL
Introduction
This BG-8K-HS21A 48Gbps 2x1 Switcher allows you to switch between two HDMI
sources to one HDMI display. It supports video resolutions up to 8K@60Hz 4:2:0.
Additionally, it features advanced EDID management and an audio de-embedding
function, with output available through optical and analog ports. This versatile
device is ideal for demonstrations, video conferences, multimedia teaching, and
other scenarios requiring large-screen displays.
Features
● HDCP 2.3 compliant
● Support 48Gbps video bandwidth
● Support video resolution up to 8K@60Hz YCbCr 4:2:0 12bit, 4K@120Hz
RGB/YCbCr 4:4:4 12bit, as specified in HDMI 2.1
● VRR, FVA, and ALLM are supported
● Support HDR, HDR10, HDR10+, Dolby Vision, ALLM/VRR pass-through
● Support 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
● Built-in Equalizer, Retiming and Driver
● Advanced EDID management
● Support audio de-embedding function (output through the optical and
analog port)
● Support IR remote control and front panel button control
Packing List
● 1 × 48Gbps 2x1 Switcher
● 1 × IR Remote
● 1 × 5V/1A Multinational Power Supply
● 1 × User Manual
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 5
BZBGEAR BG-8K-HS21A PRODUCT MANUAL
Specifications
Technical
HDMI Compliance
HDMI 2.1
HDCP Compliance
HDCP 2.3
Video Bandwidth
48Gbps
Video Resolution
Up to 8K@60Hz YCbCr 4:2:0 12bit,
4K@120Hz RGB/YCbCr 4:4:4 12bit
Color Depth
8/10/12bit
Color Space
RGB, YCbCr 4:4:4 / 4:2:2 / 4:2:0
Audio Formats
HDMI input/output:
LPCM, Dolby Digital/Plus/EX, Dolby True HD, Dolby
Atmos, DTS, DTS-EX, DTS-96/24, DTS High Res, DTS-HD
Master Audio, DSD
Audio de-embedding output:
Optical: LPCM/Dolby/DTS 5.1CH
Analog: LPCM 2CH
ESD Protection
IEC 61000-4-2:
±8kV (Air-gap discharge) & ±4kV (Contact discharge)
Connection
Input
2 × HDMI IN [Type A, 19-pin female]
Output
1 × HDMI OUT [Type A, 19-pin female] 1 ×
OPTICAL [S/PDIF]
1 × L/R [3.5mm Stereo Mini-jack]
Control
1 × SERVICE [USB Type C, Update port]
Mechanical
Housing
Metal Enclosure
Color
Black
Dimensions (W x D x H)
5.7in x 2.7in x 0.71in [145mm x 68mm x 18mm]
Weight
0.57 lbs [258g]
Power Supply
Input: AC 100-240V 50/60Hz, Output: DC 5V/1A
(US/EU standards, CE/FCC/UL certified)
Power Consumption
3W (Max)
Operation
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)
Recommended HDMI Cable
Video
Resolution
8K
4K60
4K24
1080P
HDMI Cable
Length
(HDMI in /
out)
2m/6.6ft
(Ultra HDMI
2.1)
8m/26ft
12m/39ft
15m/49ft
The use of “Premium High-Speed HDMI” cables is highly recommended.
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 6
BZBGEAR BG-8K-HS21A PRODUCT MANUAL
Operation Controls and Functions
Front and Rear Panel
No.
Name
Function Description
1
IR Window
IR input signal receiving window.
2
POWER LED
The power LED lights in green when the device is working,
and
red when the device is on standby.
3
IN LED
(1~2)
When the HDMI IN 1/2 port is selected as the signal source
input channel, the corresponding green LED will be on.
4
OUT LED
When the HDMI OUT port connects to a display device
and outputs a signal, the green LED will be on.
5
AUTO LED
When the auto-switching function (switch to the
corresponding signal input channel when the signal source
is connected.) is turned on, the green LED will be on.
6
SWITCH
button
Used to select a signal source for the OUT port. Short
pressing this button will allow the device to switch any of
the two HDMI input signals to the OUT port. Long pressing
this button for 3 seconds will turn on/off the auto-switching
function.
7
EDID Dip switch
Use the DIP switch to set EDID.
111- Copy OUT port sink EDID (as factory default) 110-
4K@60Hz 4:4:4, Audio 2ch PCM
101- FRL 12G_8K_HDR, Audio 2ch PCM
100- FRL 12G_8K_HDR, Audio 5.1ch PCM/DTS/DOLBY
011- FRL 12G_8K_HDR, Audio 7.1ch
PCM/DTS/DOLBY/HD
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 7
BZBGEAR BG-8K-HS21A PRODUCT MANUAL
010- FRL 10G_8K_HDR, Audio 2ch PCM
001- FRL 10G_8K_HDR, Audio 5.1ch PCM/DTS/DOLBY
000- FRL 10G_8K_HDR, Audio 7.1ch
PCM/DTS/DOLBY/HD
8
SERVICE
Firmware update and debug port.
9
IN port (1~2)
HDMI signal input port, connecting to HDMI source device
such as DVD or PS5 with an HDMI cable.
10
OUT port
HDMI signal output port, connecting to HDMI display
device such as TV or Monitor with an HDMI cable.
11
OPTICAL
Optical fiber audio output port.
12
L/R
Analog audio output port.
13
DC 5V
DC 5V/1A Power input port.
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 8
BZBGEAR BG-8K-HS21A PRODUCT MANUAL
IR Remote
Connection Diagram
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 9
BZBGEAR BG-8K-HS21A PRODUCT MANUAL
Troubleshooting
Problems
Causes
Solutions
No Power / All LED off
Power supply not connected,
connected fully, or wrong power
supply.
Check if the power supply is
connected correctly and the
output voltage value is within
recommended specifications.
No sound or sound issues
The HDMI connection is faulty,
the audio format is not
supported by the displays, or
the source player is set to
another port for audio output
Check if the HDMI cables are
connected correctly.
Check if the audio format is
supported by the display and
that a user has not changed the
supported audio format on the
player`s audio output. Ensure
output settings from the HDMI
source device as set correctly.
No picture or picture flickers
The HDMI cable may be faulty
or the category cable quality is
faulty.
Check if the HDMI
and category cable connections
are correct and undamaged.
Change to another good
working HDMI cable or category
cable (CAT6 or better cable is
recommended).
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 10
BZBGEAR BG-8K-HS21A 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 11
BZBGEAR BG-8K-HS21A 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 12
