Description
The ST-NSWB41MV Multiview Video Switcher is engineered for professional AV environments that require reliable 4K UHD signal management and seamless source switching. The ST-NSWB41MV Multiview Video Switcher enables users to display multiple HDMI sources simultaneously while maintaining excellent image quality and smooth performance. Whether used in meeting rooms, broadcast studios, training centers, or digital signage applications, the ST-NSWB41MV Multiview Video Switcher provides flexible multiview layouts, advanced audio extraction, and professional control options. With support for HDMI 2.0b, HDCP 2.2, EDID management, RS-232 control, and multiple output resolutions, the ST-NSWB41MV Multiview Video Switcher is an ideal solution for demanding commercial AV installations.
Features
☆ HDCP 2.2 and HDCP 1.x compliant
☆ Support 18Gbps video bandwidth
☆ Input and output resolutions support up to 4K@60Hz, as specified in HDMI™ 2.0b
☆ Support LPCM, AC3, DD+, DTS, DTS-HD, up to 7.1 audio channel
☆ Seamless switching between input channels and combined multiple images on single UHD monitor
☆ Up to 8 display modes: Single, PIP, PBP (1), PBP (2), Triple (1), Triple (2), Quad (1), Quad (2)
☆ Seamless switching in single screen display mode
☆ Fast switching in multiview display mode
☆ Audio de-embedding via analog and optical fiber audio ports
☆ Support volume control and independent audio selection
☆ Support OSD navigation for advanced settings
☆ EDID management
☆ Control via front panel buttons, IR remote, OSD menu navigation, Controller software, RS-232 commands
☆ Compact design for easy and flexible installation
The ST-NSWB41MV Multiview Video Switcher is designed for professional AV applications requiring seamless 4K60 video switching and multiview monitoring. The ST-NSWB41MV Multiview Video Switcher supports conference rooms, classrooms, command centers, broadcast studios, and digital signage installations. With advanced HDMI switching, multiview layouts, EDID management, and professional control options, the ST-NSWB41MV Multiview Video Switcher delivers dependable UHD video distribution. Integrators choose the ST-NSWB41MV Multiview Video Switcher for its reliable performance, compact design, and flexible installation.
Package Contents
① 1x 4K60 4x1 Multiviewer Seamless UHD Video Switcher
② 1x IR Remote
③ 1x 3pin-3.81mm Phoenix Connector (Male)
④ 1x 38KHz IR Wideband Receiver Cable (1.5m)
⑤ 2x Mounting Ears
⑥ 4x Machine Screws (KM3*4)
⑦ 4x Rubber Feet
⑧ 1x 12V/2.5A Locking Power Adapter
⑨ 1x User Manual
The ST-NSWB41MV Multiview Video Switcher provides seamless source selection, audio de-embedding, and multiple display layouts for demanding commercial AV environments. The ST-NSWB41MV Multiview Video Switcher ensures stable 4K60 performance with HDMI 2.0b, HDCP 2.2 compatibility, and RS-232 control for professional system integration.
Specifications
| Technical | |
| Video Bandwidth | 18Gbps |
| Video Resolution | Up to 4K@60Hz |
| HDMI Compliance | HDMI™ 2.0b |
| HDCP Compliance | HDCP 2.2 / 1.x |
| Color Space | RGB, YCbCr 4:4:4, YCbCr 4:2:2, YCbCr 4:2:0 |
| Color Depth | 8-bit |
| Audio Formats | HDMI: PCM 2.0/5.1/7.1CH, Dolby Digital/Plus, DTS, DTS High Res (HBR audio not supported) Analog [RCA L/R]: PCM 2.0 SPDIF (OPTICAL): Dolby Digital, DTS 5.1, PCM 2.0 |
| IR Frequency | 38kHz |
| IR Level | 5Vp-p |
| ESD Protection | IEC 61000-4-2: ±8kV (Air-gap discharge), ±4kV (Contact discharge) |
| Connection | |
| Input | 4x HD INPUT [HDMI™ Type A, 19-pin female] |
| Output | 1x HD OUTPUT [HDMI™ Type A, 19-pin female] 1x L/R OUTPUT [RCA] 1x OPTICAL OUTPUT [S/PDIF] |
| Control | 1x RS-232 [3pin-3.81mm phoenix connector] 1x IR EXT [3.5mm stereo mini-jack] |
| Mechanical | |
| Housing | Metal Enclosure |
| Color | Black |
| Dimensions | 220mm [W] × 100mm [D] × 30mm [H] |
| Weight | 620g |
| Power Supply | Input: AC 100–240V 50/60Hz, Output: DC 12V/2.5A (US/EU standard, CE/FCC/UL certified) |
| Power Consumption (Max) | 10W |
| Operating Temperature | 0°C ~ 40°C / 32°F ~ 104°F |
| Storage Temperature | -20°C ~ 60°C / -4°F ~ 140°F |
| Operating Humidity | 20%~80% relative humidity, non-condensing |
| Storage Humidity | 10%~90% relative humidity, non-condensing |
Operation Controls and Functions
Front Panel
| No. | Name | Function Description |
|---|---|---|
| 1 | Power Button | Short press to power on the device. Long press for 1 second to enter standby mode. |
| 2 | Power LED | Green ON: The device is powered on. Red ON: The device is in standby mode. |
| 3 | Input 1–4 LEDs | Single screen display mode: When the HDMI OUTPUT port outputs the signal from HD 1/2/3/4, the corresponding green LED will be on. Multiview mode: All input signal LEDs will light in green. |
| 4 | IR Window | IR signal receiving window. |
| 5 | AUTO LED | When the device is in AUTO mode, the AUTO LED lights in green. The switcher will automatically identify the next connected HDMI input port when the current source signal is disconnected. |
| 6 | AUTO Button | Automatic switching button, available in single screen display mode only. |
| 7 | INPUT Button | Short press to switch input source (single screen mode only). Long press to display the corresponding input source information on OSD. |
| 8 | Multiview Button | Short press to circularly select display modes: Single → PIP → PBP (1) → PBP (2) → Triple (1) → Triple (2) → Quad (1) → Quad (2). Long press for 3 seconds to select the aspect ratio for PBP / Triple / Quad modes. |
| 9 | RES Button | Short press to display current output resolution on OSD; short press again before OSD disappears to circularly switch the output resolution. Long press for 3 seconds to switch the output resolution to 720P@60Hz. |
Rear Panel
| No. | Name | Function Description |
|---|---|---|
| 1 | L/R Port | PCM 2.0 analog audio output port [RCA]. |
| 2 | OPTICAL Port | Optical fiber digital audio output port [S/PDIF]. |
| 3 | HD OUTPUT Port | HDMI signal output port, connecting to a display device such as TV or Monitor with an HDMI cable. |
| 4 | HD 1–4 INPUT Ports | HDMI signal input ports, connecting to HDMI source devices such as DVD or Set-top box with an HDMI cable. |
| 5 | RS-232 Port | 3-pin phoenix connector, connecting to a PC or control system for serial port upgrade or RS-232 command control. |
| 6 | IR EXT Port | IR signal receiving port, connecting with the 38kHz IR Receiver cable. If the IR signal receiving window is blocked or the unit is installed in a closed area out of infrared line of sight, the IR receiver cable can be inserted here to receive IR remote signals. |
| 7 | DC 12V | DC 12V/2.5A power input port. |
IR Pin Definition
IR Remote
① Power: Power on the switcher or set it to standby mode.
② HD 1/2/3/4: Press to select input source in single screen display mode. Use ◄ ► buttons to circularly select the last or next input source.
Multiview (⊞): Short press to circularly select: Single → PIP → PBP (1) → PBP (2) → Triple (1) → Triple (2) → Quad (1) → Quad (2). Long press 3 seconds to select aspect ratio for PBP/Triple/Quad modes.
RES: Short press to circularly switch output resolution. Long press 3 seconds to switch to 720P@60Hz.
③ MENU / EXIT / UP / DOWN / LEFT / RIGHT / OK: OSD menu navigation buttons.
④ A-IN: Pop up audio channel selection OSD, then press UP/DOWN to select audio output channel.
Mute: Mute/unmute the audio output.
VOL– / VOL+: Decrease/increase audio output volume.
Multiview Display Modes
The switcher supports 8 display modes: Single, PIP, PBP (1), PBP (2), Triple (1), Triple (2), Quad (1), Quad (2).
Single: Input selection only.
PIP: Input selection, sub-window size and position selection.
PBP (1), PBP (2), Triple (1), Triple (2), Quad (1), Quad (2): Input selection, display mode selection, display aspect selection.
Supported Output Resolutions
| No. | Output Resolution | No. | Output Resolution |
|---|---|---|---|
| 1 | 4096x2160p 60Hz | 9 | 1920x1080p 50Hz |
| 2 | 4096x2160p 50Hz | 10 | 1360x768p 60Hz |
| 3 | 3840x2160p 60Hz | 11 | 1280x800p 60Hz |
| 4 | 3840x2160p 50Hz | 12 | 1280x720p 60Hz |
| 5 | 3840x2160p 30Hz | 13 | 1280x720p 50Hz |
| 6 | 3840x2160p 25Hz | 14 | 1024x768 60Hz |
| 7 | 1920x1200p 60Hz RB | 15 | AUTO |
| 8 | 1920x1080p 60Hz |
RS-232 / API Control
Connect the RS-232 port to a PC with an RS-232 to USB serial cable. Use a Serial Command tool to send ASCII commands.
Serial port protocol: Baud rate: 115200 (default), 57600, 38400, 19200, 9600; Data bits: 8; Stop bits: 1; Check bit: 0. Delimiter: !
| Command | Function | Example | Default |
|---|---|---|---|
| System Setting | |||
| help! | List all commands | help! | – |
| r fw version! | Get firmware version | r fw version! | – |
| r type! | Get device model | r type! | – |
| power z! | Power on/off the device (z=0: off, z=1: on) | power 1! | Power on |
| r power! | Get current power state | r power! | – |
| reboot! | Reboot the device | reboot! | – |
| reset! | Reset to factory defaults | reset! | – |
| Output Setting | |||
| s output res x! | Set output resolution (x=1~15; see resolution list above) | s output res 3! | 3840x2160p60 |
| r output res! | Get output resolution | r output res! | – |
| s output hdcp x! | Set output HDCP (x=1: HDCP 1.4, x=2: HDCP 2.2, x=3: User Mode) | s output hdcp 2! | HDCP 1.4 |
| r output hdcp! | Get output HDCP status | r output hdcp! | – |
| s output itc x! | Set output video mode (x=1: video mode, x=2: PC mode) | s output itc 1! | video mode |
| s output vka x! | Set output video keep active pattern (x=1: black screen, x=2: blue screen) | s output vka 1! | black screen |
| Audio Setting | |||
| s output audio x! | Set output audio source (x=0: follow window 1, x=1~4: HDMI 1~4 input audio) | s output audio 0! | follow window 1 |
| r output audio! | Get output audio source | r output audio! | – |
| s output audio vol x! | Set output audio volume (x=0~100) | s output audio vol 30! | 100 |
| s output audio vol+! | Increase output audio volume | s output audio vol+! | – |
| s output audio vol-! | Decrease output audio volume | s output audio vol-! | – |
| s output audio mute x! | Set output audio mute (x=0: mute off, x=1: mute on) | s output audio mute 0! | off |
| EDID Setting | |||
| s input EDID x! | Set HDMI input EDID mode (x=1~19; includes 4K60/4K30/1080P/various resolutions with 2.0/5.1/7.1 audio, copy from HDMI out, User1) | s input EDID 1! | 4K2K60_444, Stereo Audio 2.0 |
| r input EDID! | Get input EDID mode | r input EDID! | – |
| Single Screen Mode Setting | |||
| s in source x! | Route input source to output (x=1~4: HDMI 1~4) | s in source 1! | HDMI 1 |
| r in source! | Get output selected input source | r in source! | – |
| s auto switch x! | Enable/disable auto switch (x=0: disable, x=1: enable) | s auto switch 0! | auto switch off |
| r auto switch! | Get auto switch status | r auto switch! | – |
| Multi-viewer Mode Setting | |||
| s multiview x! | Set multi-viewer display mode (x=1: single, x=2: PIP, x=3: PBP, x=4: triple, x=5: quad) | s multiview 1! | single screen |
| r multiview! | Get multi-viewer display mode | r multiview! | – |
| s window x in y! | Select input (y=1~4: HDMI 1~4) for display window (x=1~4) | s window 1 in 1! | – |
| r window x in! | Get window selected input source (x=0: all, x=1~4: window 1~4) | r window 1 in! | – |
| s window x border y! | Set window border mode (x=1~4: window; y=0: off, y=1: on) | s window 1 border 1! | off |
| s window x border color y! | Set border color for window x (y=1~9: BLACK, RED, GREEN, BLUE, YELLOW, MAGENTA, CYAN, WHITE, GRAY) | s window 1 border color 1! | YELLOW |
| s PIP size x! | Set PIP window size (x=1: small, x=2: middle, x=3: large, x=4: user) | s PIP size 3! | large |
| s PIP position x! | Set PIP window position (x=1: left top, x=2: left bottom, x=3: right top, x=4: right bottom, x=5: user) | s PIP position 3! | right top |
| s PIP Hstart Vstart Hsize Vsize! | Set PIP to user-defined position and size (values 1–100; Hstart+Hsize≤101, Vstart+Vsize≤101) | s PIP 10 10 20 20! | – |
| s PBP mode x! | Set PBP display mode (x=1: PBP mode 1, x=2: PBP mode 2) | s PBP mode 1! | PBP mode 1 |
| s PBP aspect x! | Set PBP aspect ratio (x=1: full screen, x=2: 16:9) | s PBP aspect 1! | full screen |
| s triple mode x! | Set triple windows display mode (x=1: triple mode 1, x=2: triple mode 2) | s triple mode 1! | triple mode 1 |
| s triple aspect x! | Set triple windows aspect ratio (x=1: full screen, x=2: 16:9) | s triple aspect 1! | full screen |
| s quad mode x! | Set quad windows display mode (x=1: quad mode 1, x=2: quad mode 2) | s quad mode 1! | quad mode 1 |
| s quad aspect x! | Set quad windows aspect ratio (x=1: full screen, x=2: 16:9) | s quad aspect 1! | full screen |
Controller Software
This product includes a PC-based Controller software (4K60 Multi-Viewer Controller). Connect the RS-232 port to a PC via USB-to-RS-232 serial cable, select COM Control Mode, choose the COM port and baud rate (default: 115200), then click Connect. The software provides three pages:
General: Select control mode, set COM port and baud rate, view device information and connection status.
Output: Select multiview display mode (8 modes), adjust PIP size and position, select input sources per window, set output resolution, HDCP, audio source, and audio volume.
System: Select EDID mode, perform firmware upgrade, factory reset, or system reboot.
Application Example
Conclusion
The ST-NSWB41MV Multiview Video Switcher combines seamless switching, multiview display modes, professional audio management, and reliable 4K60 video performance in a compact design. The ST-NSWB41MV Multiview Video Switcher is suitable for conference rooms, control rooms, education, digital signage, and professional presentation systems where multiple HDMI sources must be monitored and switched efficiently.