U.S.-based Company
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Complimentary design services
and engineering support
and engineering support
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3 year warranty
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Overview
Built for flexible digital presentations, the BG-PS21-4K is a KVM switcher that enables two devices to be connected to the same display at output resolutions of up to 4K@60Hz. Thanks to its USB-A ports, users can control two connected devices with one mouse and keyboard. These USB peripherals can be shared between the HDMI/Host connections and the USB-C connection. The device will also automatically switch inputs when a signal is detected via HDMI.
With the ability to de-embed audio and support for audio formats such as LPCM 7.1 audio, Dolby Digital® Plus, and DTS-HD® Master Audio™, you’ll be able to capture crystal clear audio from your presentations.
Connectivity & Control
With two HDMI ports for input, the BG-PS21-4K can easily connect two separate devices. There is one HDMI output to send the signal to a single display, enabling presenters to share content during meetings. This device supports HDMI 2.0 and HDCP 2.2. The resolution for HDMI inputs supports up to 4Kx2K@60Hz. There is also a USB-C port which offers 4Kx2K@30Hz resolution. Additionally, the USB-C port provides 40 watts of charging to keep devices online through the entirety of a presentation. Auto-switching between active inputs is also supported.
Using the two USB 3.0/2.0 type-A ports, peripherals like mice and keyboards can be connected to control active content. The unit itself can be controlled via front panel buttons of the RS-232 interface. A 4-pin DIP switch is also provided for EDID settings. A balanced audio output is also included for audio de-embedding.
This KVM switcher is a great option for small to medium sized conference rooms needing extra connectivity for multiple presenters during meetings. Our four-device KVM switcher, the BG-UHD-KVM41 may be a better fit if more than two devices need to be connected for presentation events.
Features
High Resolution Inputs
Input Resolutions Up To 4K2K@60Hz
Plug and Play
Easy To Install And Use
Multichannel Audio Supported
LPCM 7.1, Dolby Atmos®, TrueHD, Digital® Plus, DTS: X™, And DTS-HD® Master Audio™ Pass-Through
EDID
Eliminates Connection Issues
Auto-Switching
Automatically Selects Input When Change In Signal Is Detected
HDCP 2.2
High-Bandwidth Digital Content Protection Creates A Secure Source To Display Connection
18G 2×1 switcher with HDMI and USB-C inputs
Supports HDMI 2.0, 4Kx2K@60Hz 4:4:4, HDR 10, Dolby Vision, HDCP 2.2
Smart EDID management for various applications and customized settings
Supports automatic switching
Provides charging on USB-C port up to 40W
Balanced analog audio for audio de-embedding
Controllable via front panel buttons and RS232
Provides USB data (USB 3.0/2.0) and 4K video transmission on USB-C port
Front panel buttons trigger both CEC and RS232 commands for display control
Tech Specifications
Video
Video Input
(1) HDMI, (1) USB-C
Video Input Connector
(1) Type-A female HDMI, (1) Type-C USB
HDMI Input Resolution
Up to 4Kx2K@60Hz 4:4:4 8bit
USB-C Input Resolution
Up to 4Kx2K@30Hz 4:4:4
Video Output
(1) HDMI
Video Output Connector
(1) Type-A female HDMI
HDMI Output Resolution
Up to 4Kx2K@60Hz 4:4:4 8bit
HDMI Version
2.0
HDCP Version
2.2
USB Version
3.0
HDR 10
Supported
CEC
Supported
HPD
Supported
Audio Output
(1) AUDIO OUT (Stereo balanced L/R)
Audio Output Connector
(1) 5-pin terminal block
HDMI Audio Format
LPCM 7.1 audio, Dolby Atmos®, Dolby® TrueHD, Dolby Digital® Plus, DTS: X™, and DTS-HD® Master Audio™ pass-through
Stereo balanced L/R audio Format
PCM
Max Output Level
2.0Vrms ± 0.5dB. 2V = 16dB headroom above -10dBV (316mV) nominal consumer line level signal
THD+N
<0.05% (-80dB), 20Hz ~ 20KHz bandwidth, 1KHz sine at 0dBFS level (or max level)
SNR
>80dB, 20Hz ~ 20KHz bandwidth
Crosstalk Isolation
>70dB, 10KHz sine at 0dBFS level (or max level before clipping)
L-R Level Deviation
< 0.3dB, 1KHz sine at 0dBFS level (or max level before clipping)
Frequency Response Deviation
<±0.5dB 20Hz ~ 20KHz
Output Load Capability
1KΩ and higher (supports 10x paralleled 10KΩ loads)
Interfaces
1. Power LED: This LED will illuminate red when the device is connected to the power supply.
2. HDMI Input LED: This LED will illuminate green when the HDMI input is selected in AUTO mode, or will illuminate in orange when the HDMI input is selected in MANUAL mode.
3. USB-C Input LED: This LED will illuminate green when the USB-C input is selected in AUTO mode, or will illuminate in orange when the USB-C input is selected in MANUAL mode.
4. SELECT AUTO/3s Button: Press this button to select the next input source, or hold this button for at least 3 seconds to enable auto switching mode. Note that the factory default switching mode is AUTO.
5. DISPLAY On Button: Press ON to turn on the display.
6. DISPLAY Off Button: Press OFF to turn off the display.
7. Audio Off Button: Press this button to mute/unmute the display audio.
8. Volume Down Button: Press this button to decrease the audio volume gradually, or hold it to decrease the audio volume constantly.
10. EDID: 4-pin DIP switch for EDID setting.
11. FW: Micro-USB port for firmware upgrade.
12. HDMI IN: HDMI port to connect HDMI input source.
13. USB-C IN: USB Type-C input that provides 40 watts of charging for connected sources.
9. Volume Up Button: Press this button to increase the audio volume gradually, or hold it to increase the audio volume constantly.
14. HDMI OUT: HDMI port to connect to an HDMI output video display.
15. AUDIO OUT: Connect to this 5-pin terminal block to output balanced audio to external audio devices.
16. RS-232: Connect supported devices to this 3-pin terminal block for RS-232 control.
17. HOST: Connect to this USB 3.0 Type-B port for host connection.
18. DEVICES: These two type-A USB 3.0 ports are to connect peripheral devices such as a webcam or a speakerphone.
19. DC 24V: Connect the 24V power supply adapter here to power the unit.
PACKAGE CONTENTS
1x BG-PS21-4K 2×1 Presentation Switcher
2x Mounting Ears with 4 Screws
4x Plastic Cushions
1x 5-pin Terminal Block
1x RS232 Cable (3-pin terminal block to DB9)
1x Power Cord
1x Power Adapter (24V DC, 2.71A)
1x User Manual
1x 5-pin Terminal Block