
BG-8K-HCS41
8K UHD 4×1 HDMI/USB-C Switcher – HDMI 2.1, 48Gbps,
8K60/4K120, HDR, EDID Management, Auto Switching, CEC
Control
User Manual

BZBGEAR BG-8K-HCS41 PRODUCT MANUAL
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 2

BZBGEAR BG-8K-HCS41 PRODUCT MANUAL
TABLE OF CONTENTS
Statement 4
Safety Precaution 4
Introduction 5
Features 5
Packing List 6
Specifications 7
Operation Controls and Functions 9
IR Remote 10
Connection Diagram 11
Troubleshooting 12
Tech Support 13
Limited Product Warranty Terms 13
Mission Statement 14
Copyright 14
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 3

BZBGEAR BG-8K-HCS41 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-HCS41 PRODUCT MANUAL
Introduction
The BG-8K-HCS41 is an ultra-thin 4×1 switcher designed for high-performance AV
applications. It features three HDMI 2.1 inputs, one USB-C input, and one HDMI
output, supporting resolutions up to 8K@60Hz 4:2:0 12-bit (HDMI) and 8K@30Hz
4:2:2 10-bit (USB-C). This switcher is fully compliant with DP 1.4 and HDCP 2.3,
and supports advanced video technologies including HDR10, HDR10+, Dolby
Vision, and HLG pass-through. With support for HDMI 2.1 features such as VRR,
ALLM, QMS, QFT, and SBTM, along with multichannel audio pass-through for Dolby
Atmos, DTS:X, and LPCM 7.1CH, it delivers an immersive audio-visual experience.
The BG-8K-HCS41 offers easy control via front-panel buttons, IR remote, and
supports both manual and auto-switching between active inputs. Built-in EDID
management can be configured using a 3-pin DIP switch on the front panel, with
EDID status displayed on the connected monitor. Additional features include CEC
control for simplified TV-to-source communication and firmware updates through
the service port, making this switcher a versatile solution for home theater, gaming,
and professional AV installations.
Features
● UHD USB-C Quality: Supports resolutions up to 8K@30Hz (4:2:2, 10-bit) and
4K@120Hz (4:2:2, 10-bit) via USB-C
● UHD HDMI Quality: Supports resolutions up to 8K@60Hz (4:2:0, 12-bit), 8K@30Hz
(4:4:4, 12-bit), and 4K@120Hz (4:4:4, 12-bit)
● Input Switching Options: Supports automatic and manual input switching,
controllable via front panel buttons and IR remote
● CEC Control Functionality: Enables CEC pass-through control from the display
(output) to the source device (input)
● Audio Pass-Through: Supports LPCM 7.1CH, Dolby TrueHD, Dolby Atmos, DTS-HD
Master Audio, and DTS:X audio formats
● HDR Pass-Through: Passes through HDR formats, including HDR, HDR10,
HDR10+, Dolby Vision, and HLG
● Advanced HDMI 2.1 Features: Supports VRR (Variable Refresh Rate), ALLM (Auto
Low Latency Mode), QMS (Quick Media Switching), QFT (Quick Frame Transport),
and SBTM (Source-Based Tone Mapping)
● Flexible Input & Output Configuration: Features 3 × HDMI inputs and 1 × USB-C
input, routed to a single HDMI output
● Advanced EDID Management: Includes customizable EDID settings for flexible
compatibility with various displays and sources
● Industry Compliance: Compliant with DisplayPort 1.4 and HDCP 2.3 standards
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 5

BZBGEAR BG-8K-HCS41 PRODUCT MANUAL
Packing List
● 1× BG-8K-HCS41 Switcher
● 1× IR Remote
● 1× 5V/1A Power Supply
● 1× User Manual
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 6

BZBGEAR BG-8K-HCS41 PRODUCT MANUAL
Specifications
Technical Specifications
HDMI Compliance
HDMI 2.1
HDCP Compliance
HDCP 2.3
DP Compliance
DP 1.4
Video Bandwidth
HDMI: Up to 48Gbps FRL and 18Gbps TMDS
USB-C: Up to 32Gbps
Video Resolution
HDMI: Up to 8K@60Hz 4:2:0 12-bit, 4K@120Hz 4:4:4 12-bit
USB-C: Up to 8K@30Hz 4:2:2 10-bit, 4K@120Hz 4:2:2 10-bit
Color Depth
8-bit, 10-bit, 12-bit
Color Space
RGB 4:4:4, YCbCr 4:4:4, YCbCr 4:2:2, YCbCr 4:2:0
HDMI Audio Formats
LPCM, Dolby Digital/Plus/EX, Dolby TrueHD, Dolby Atmos, DTS,
DTS-EX, DTS 96/24, DTS High-Res, DTS-HD Master Audio, DSD
ESD Protection
IEC 61000-4-2: ±8kV (Air-gap discharge), ±4kV (Contact discharge)
Input Ports
3 × HDMI Type A (19-pin female)1 × USB Type-C (24-pin female)
Output Ports
1 × HDMI Type A (19-pin female)
Control Ports
1 × USB Type-C (Service/update port)1 × IR Receiver window
Mechanical Specifications
Housing
Metal
Color
Black
Dimensions
5.7in × 2.7in × 0.71in / 145mm (W) × 68mm (D) × 18mm (H)
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
2.25W (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)
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 7

BZBGEAR BG-8K-HCS41 PRODUCT MANUAL
Recommended HDMI
Cable
The use of a “Premium High Speed HDMI” cable is highly
recommended.
HDMI Cable Length
● 8K: 2m / 6.6ft (Ultra HDMI 2.1)
● 4K60: 8m / 26ft
● 4K24: 12m / 39ft
● 1080P: 15m / 49ft
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 8

BZBGEAR BG-8K-HCS41 PRODUCT MANUAL
Operation Controls and Functions
Front and Rear Panel
No.
Name
Function Description
1
IR Window
Receives IR signals from the remote control.
2
Power LED
Illuminates red when the device is powered on.
3
IN 1/2/3/4 LED
The corresponding green LED lights up when IN 1/2/3/4 is selected as the
active input source.
4
OUT LED
Lights up green when a TV or display is connected to the OUT port.
5
AUTO LED
Lights up green when auto-switching mode is enabled.
6
SWITCH
Button
Used to switch input signals.
• Short press: Switch to the next input port.
• Long press (3 seconds): Disable auto-switching mode.
7
EDID DIP
Switch
Used to configure EDID settings:
• 111 – Copy EDID from the OUT port (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
• 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
Used to update the MCU firmware.
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 9

BZBGEAR BG-8K-HCS41 PRODUCT MANUAL
9
IN 1/2/3
HDMI signal input ports. Connect HDMI source devices such as a DVD player
or PS5 using HDMI cables.
10
IN 4
USB-C signal input port. Connect a USB-C source device.
11
OUT Port
HDMI signal output port. Connect to an HDMI display device such as a TV or
monitor using an HDMI cable.
12
DC 5V
DC 5V/1A power input port.
IR REMOTE
AUTO:
Press to enable or disable auto-switching between input
signal sources.
1 / 2 / 3 / 4:
Press the corresponding button to manually select the
desired input channel.
⟳ (Switch):
Press to cycle through the HDMI input sources and
output the selected signal to the OUT port.
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 10

BZBGEAR BG-8K-HCS41 PRODUCT MANUAL
Connection Diagram
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 11

BZBGEAR BG-8K-HCS41 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 12

BZBGEAR BG-8K-HCS41 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 13

BZBGEAR BG-8K-HCS41 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 14
