Overview
With eight HDMI 2.0 inputs and eight HDMI 2.0 outputs, the BG-4K-88MA 4K HDMI matrix switch allows users to share up to eight HDMI sources with up to eight displays. Perfect for when you need to change multiple sources to show on various displays or even select just one source to show on all displays with the press of a button. Audio can also be independently routed. Professional-grade picture and audio quality are achieved with support for 4K resolutions and various high-quality audio formats.
Features-in-Depth
Connectivity and Quality: The BG-4K-88MA supports high resolutions up to 4K@60Hz 4:4:4 with HDR. With 18 Gbps of uncompressed bandwidth, HDMI signals are routed with no loss of quality. All HDMI ports on this matrix are HDCP 2.2 compliant. This device is also equipped with auto-downscaling on all outputs, ensuring compatibility with legacy displays. Additionally, the BG-4K-88MA supports Digital S/PDIF and Balanced audio output formats.
Control: The BG-4K-88MA offers multiple control methods including front panel controls, IR remote control, RS-232, or TCP/IP (Web GUI). The included IR receiver allows the unit to be controlled with the included remote while located out of sight for a clean installation. In addition to a full-featured web interface, the BG-4K-88MA includes control software that can be operated via the RS-232 connection. These interfaces allow users to adjust advanced features like EDID management, mapping, and network settings.
Audio Matrixing: This unit features advanced audio matrixing capabilities. Audio can be independently routed separately from the video signals. This feature provides flexible audio management options for a variety of installation scenarios.
Features
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HDCP CompliantHDMI 2.0 (18Gbps) HDCP 2.2 (and all earlier versions supported) -
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4K ResolutionUp to 4K@60Hz 4:4:4 HDR support -
![AUDIO MATRIXING]()
Audio MatrixingThe audio can be independently routed -
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Control OptionsControl via front panel, IR, RS-232, and TCP/IP (Web GUI) -
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EDID ManagementSeamless scaling for the best results -
![HDR Support]()
HDR SupportHDR, HDR10, Dolby Vision pass-through
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The front panel of the BG-4K-88MA is thoughtfully designed to blend cutting-edge functionality with contemporary aesthetics. Featuring a vibrant full-color LCD screen, it offers a crisp and detailed view of the system's menu. Navigation is both seamless and intuitive, enhanced by strategically placed backlit buttons conveniently located to the right of the display.
The back panel is equipped with 8 HDMI input ports and 8 HDMI output ports, all clearly labeled and numbered from 1 to 8 for easy identification. These HDMI ports are also readily accessible within the Web GUI and Control Software. Each port supports scalable resolutions, with a maximum capability of 4K60 4:4:4.
The BG-4K-88MA streamlines audio connectivity with its 8 optical fiber audio output ports and 8 5-pin Phoenix stereo audio output ports, ensuring easy integration with devices like amplifiers in professional AV setups. It supports a broad range of audio formats, offering compatibility with various systems. The HDMI audio pass-through enhances functionality by delivering high-quality sound in advanced formats, including LPCM 2/5.1/7.1, Dolby Digital, DTS 5.1, Dolby Digital Plus, Dolby TrueHD, DTS-HD Master Audio, Dolby Atmos, and DTS.
Our advanced audio matrixing feature offers unparalleled flexibility in routing and managing audio signals. With the ability to independently route and control each audio channel, you can tailor your setup to meet your exact requirements. This ensures seamless integration and optimal audio performance in any professional AV environment.
Videos
Tech Specifications
| Technical | |||
| HDMI Compliance | HDMI 2.0b | ||
| HDCP Compliance | HDCP 2.2 | ||
| Video Bandwidth | 18Gbps | ||
| Video Resolution | Up to 4K60Hz 4:4:4
640x480p60Hz, 800x600p60Hz, 1024x768p60Hz, |
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Color Space |
RGB, YCbCr_4:4:4, YCbCr_4:2:2, YCbCr_4:2:0 |
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| Color Depth | 8/10/12-bit | ||
| HDR Formats | HDR, HDR10, HDR10+, Dolby Vision LLM, HLG | ||
| Audio Formats | HDMI IN/OUT: 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 BREAKOUT: Optical outputs: Up to LPCM/Dolby/DTS 5.1CH Analog Audio Outputs: LPCM 2CH (sample rate 32~192kHz) |
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| ESD Protection | IEC 61000-4-2: ±8kV (Air-gap discharge) & ±4kV (Contact discharge) | ||
| Connection | |||
| Input ports | 8x INPUT [HDMI Type A, 19-pin female] | ||
| Output ports | 8x OUTPUT [HDMI Type A, 19-pin female] 8x OPTICAL AUDIO OUT 8x L/R AUDIO OUT [5-pin phoenix connector] |
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| Control ports | 1x TCP/IP [RJ45] 1x RS-232 [D-Sub9] 1x IR EXT [3.5mm audio jack] |
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| Mechanical | |||
| Housing | Metal Enclosure | ||
| Color | Black | ||
| Dimensions (W x D x H) | 17in x 8.1in x 1.8in [440mm x 206mm x 44.5mm] | ||
| Weight | 5.25 lbs [2.38kg] | ||
| Power Supply | Input: AC 100 - 240V 50/60Hz, Output: DC 24V/3.75A (US/EU standard, CE/FCC/UL certified) |
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| Power Consumption | Full Load: 52.3W; Stand-by: 2.6W |
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| Operating Temperature | 32 - 104°F / 0 - 40°C | ||
| Storage Temperature | -4 - 140°F / -20 - 60°C | ||
| Operating Humidity | 20%~80% relative humidity, non-condensing | ||
| Storage Humidity | 10%~90% relative humidity, non-condensing | ||
| Video Resolution | 4K60 | 4K30 | 1080P |
| HDMI Cable Length (IN / OUT) |
5m/16ft | 10m/33ft | 15m/49ft |
| The use of “Premium High Speed HDMI” cable is highly recommended. | |||
Resources
PACKAGE CONTENTS
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- 1x 4K 8x8 HDMI Matrix
- 1x 24V/3.75A Power Adapter
- 1x IR Remote
- 1x IR Wideband Receiver Cable (1.5m)
- 1x RS-232 Serial Cable (1.5m, male to female head)
- 8x 5pin-3.5mm Phoenix Connector
- 8x Machine Screw (KM3*6)
- 2x Mounting Ear
- 1x User Manual
Interfaces
Front Panel
- LCD screen: Display matrix switching status, input / output port, EDID, baud rate, IP Address, etc.
- IR: IR signal receiver. Receiving the signal from the IR remote.
- FNC: Multi-function button.
FNC + Number (1~8): Select the input source for all output
channels. Number (1~8) means the input source (1~8).
FNC + FNC + 1: Display IP address.
FNC + FNC + 2: Display the baud rate of serial port.
Note: The info above will disappear automatically in 3 seconds. - POWER button & indicator light: Press the button to power on the device, and at this time the light is blue. Long press the button for 3 seconds to enter the standby mode, and at this time the light is red.
- MENU / ENTER / UP / DOWN: Screen operation buttons. Take RESET, for example.
① On the initial LCD display screen, press “MENU” button. There are OUTPUT SETTINGS/INPUT SETTINGS/AUDIO
BREAKOUT/SETUP/FIRMWARE items to be selected.
② Press the “UP/DOWN” button to select SETUP item.
③ Press the “ENTER” button to enter into the next level.
There are LCD ONTIME/BAUDRATE/NETWORK/REBOOT/
RESET items to be selected.
④ Press the “UP/DOWN” button to select RESET item.
⑤ Press the “ENTER” button, and it will prompt to confirm. Now press "FNC" to continue, or press "MENU" to return.
Note: Pressing the “MENU” button will return to the previous menu on any page. - INPUT / OUTPUT (1~8) buttons: Press a number (1~8) firstly to select an output channel, and then press a number (1~8) to select the corresponding input source.
Rear Panel
- AUDIO OUTPUTS (1~8): OPTICAL: Optical audio output port, connected to an audio output device such as audio amplifier.
L/R AUDIO: Analog audio output port, supporting balanced/ unbalanced audio output, with a maximum support of 2Vrms.
Balanced connection method: L+, L -, , R+, R-
Unbalanced connection method: L+, , R+ - TCP/IP: TCP/IP control port, connected to PC or router with an RJ45 cable.
- RS-232 port: Connects to a PC or control system to control the matrix.
- IR EXT: Connects to a 12V wideband IR receiver cable.
If the IR receiver window of the unit is blocked or the unit is installed in a closed area out of infrared line of sight, the IR receiver cable can be inserted to the “IR EXT” port to receive the IR remote signal. - HDMI INPUTS (1~8): HDMI input ports, connected to HDMI source device such as 8K computer, DVD or set-top box with HDMI cable.
- HDMI OUTPUTS (1~8): HDMI output ports, connected to HDMI display device such as TV or monitor with an HDMI cable.
- POWER 24V: Connects to 24V/3.75A power supply.
- GND: Connects the housing to the ground.
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