Description
ST-NB41A HDMI Switcher is a professional 4K@60 4x1 HDMI switch that connects up to four HDMI source devices to a single display. It supports HDMI 2.0a, HDCP 2.2, HDR, ARC, EDID management, digital and analog audio extraction, and seamless switching for professional AV installations.
The ST-NB41A HDMI Switcher is ideal for conference rooms, classrooms, home theaters, digital signage and commercial AV systems.
Features
☆ Compliant with HDMI 2.0a and DVI 1.0 standards
☆ HDCP 2.2 and HDCP 1.4 compliant
☆ Video formats up to 4K×2K@60Hz and all HDMI 3D video formats
☆ Digital and analog audio output
☆ Supports PCM, Dolby TrueHD and DTS-HD Master Audio up to 7.1CH
☆ Supports smart EDID management (Auto / 2CH / 5.1CH / 7.1CH selectable)
☆ Supports input port auto switching or manual switching mode
☆ Audio Return Channel (ARC) support
The ST-NB41A HDMI Switcher supports HDMI 2.0a, HDCP 2.2, ARC, EDID management, HDR video and high-quality audio extraction.
Package Contents
① 1x HDMI 4×1 Switcher
② 1x 5V/1A Power Adapter
③ 1x 38KHz IR Rx Cable
④ 1x Optical Convert Header (for SPDIF audio output)
⑤ 1x HDMI 4×1 IR Remote
⑥ 1x Operation Manual
Specifications
| Frequency Bandwidth | 18Gbps |
| Input Ports | 4x HDMI Female ports, 1x IR Receive port, 1x RS232 port |
| Output Port | 1x HDMI Female port, 1x L/R & Optical port |
| HDMI Audio Output | PCM 2.1/5.1/7.1CH, Dolby 5.1, DTS 5.1, Dolby TrueHD, DTS-HD |
| ESD Protection | Human Body Model: ±8kV (Air-gap discharge), ±4kV (Contact discharge) |
| Dimensions | 180mm [D] × 85mm [W] × 11.6mm [H] |
| Weight | 300g |
| Power Consumption (Max) | 2.5W |
| Operating Temperature | 0°C ~ 40°C / 32°F ~ 104°F |
| Storage Temperature | -20°C ~ 60°C / -4°F ~ 140°F |
The ST-NB41A HDMI Switcher provides reliable 4K@60 HDMI switching with support for multiple HDMI sources and one HDMI display.
Operation Controls and Functions
Front Panel
| No. | Name | Function Description |
|---|---|---|
| 1 | Input Indicator LEDs | Corresponding port LED will be illuminated when its input port is selected. |
| 2 | Auto / Manual Select Button | Press and hold for more than 2 seconds to switch between auto switching and manual switching mode. Under manual switching mode, short press to select the input port. |
| 3 | EDID Status LED | EDID status indicator LED. Auto mode means the TV EDID is being used. |
| 4 | EDID Select Button | Press to cycle through EDID modes: Auto / 2CH / 5.1CH / 7.1CH. |
| 5 | ARC Status LED | This LED will be illuminated if ARC is enabled successfully. |
| 6 | ARC Function Button | Press to enable or disable ARC function. ARC LED on front panel will be illuminated if ARC is enabled successfully. |
Rear Panel
| No. | Name | Function Description |
|---|---|---|
| 1 | HDMI Output Port | HDMI output port — connect to HDTV or monitor with HDMI cable. |
| 2 | HDMI Input Ports (IN 1–4) | 4x HDMI input ports — connect to DVD, PS4, game console, laptop or set-top box with HDMI cable. |
| 3 | Audio Output (L/R & Optical) | Audio output port including L/R analog stereo output and optical audio output (SPDIF). An optical convert header is included for the SPDIF output. |
| 4 | RS232 Port | RS232 serial control port. |
| 5 | IR Receiver Port | Connect the included 38KHz IR Rx cable to receive IR remote control signals. |
| 6 | DC 5V Input Port | Connect the included 5V/1A power adapter to power the device. |
IR Remote Control
| Button | Function |
|---|---|
| ARC | Press to enable or disable ARC function. ARC LED on front panel will illuminate if ARC is enabled successfully. |
| Auto | Press to toggle between auto switching and manual switching mode. |
| 2.1ch | Select EDID 2.1CH audio mode; corresponding LED illuminates. |
| 5.1ch | Select EDID 5.1CH audio mode; corresponding LED illuminates. |
| 7.1ch | Select EDID 7.1CH audio mode; corresponding LED illuminates. |
| Auto / Source | Under manual switching mode, press to cycle through and select the input port. |
| In 1 ~ In 4 | Directly select HDMI Input 1, 2, 3 or 4. |
Application Example
