Description
ST-NSWC41A HDMI Switcher is a professional 48Gbps 4x1 HDMI 2.1 switch designed for commercial AV installations, conference rooms, classrooms, digital signage, and home theater applications. The ST-NSWC41A HDMI Switcher supports HDMI 2.1, HDCP 2.3, ARC/eARC, 8K@60Hz video, HDR10+, Dolby Vision, advanced EDID management, and audio de-embedding through optical and analog outputs. The ST-NSWC41A HDMI Switcher provides reliable 48Gbps bandwidth, seamless HDMI switching, and professional AV performance.
The ST-NSWC41A HDMI Switcher offers reliable HDMI 2.1 switching with 48Gbps bandwidth and advanced AV features.
Features
☆ HDCP 2.3 compliant
☆ Support 48Gbps FRL and 18Gbps TMDS video bandwidth
☆ Video resolution up to 8K@60Hz 4:2:0 12-bit, 8K@30Hz 4:4:4 12-bit, 4K@120Hz 4:4:4 12-bit, as specified in HDMI 2.1
☆ HDMI 2.1 protocol: VRR, ALLM, QMS, QFT, SBTM supported
☆ Support HDR, HDR10, HDR10+, Dolby Vision, HLG pass-through
☆ Support HDMI audio formats: LPCM 7.1CH, Dolby TrueHD, Atmos and DTS-HD Master, DTS:X audio pass-through
☆ Features 4x HDMI inputs routed to 1x HDMI output
☆ Support HDMI input and TV eARC audio de-embedded to S/PDIF and L/R audio output
☆ Support HDMI input and TV eARC audio output to SONOS ARC & Beam or any eARC soundbar
☆ Support CEC control from TV at output to source at input
☆ Support CEC volume control from TV to any eARC sound system
☆ Support advanced EDID management
The ST-NSWC41A HDMI Switcher package includes all accessories required for installation and operation.
Package Contents
① 1x 48Gbps 4x1 Switcher
② 1x 5V/1A Multinational Power Supply
③ 1x IR Remote
④ 1x User Manual
Specifications
| Technical | |
| HDMI Compliance | HDMI 2.1 |
| HDCP Compliance | HDCP 2.3 |
| Video Bandwidth | 48Gbps FRL and 18Gbps TMDS |
| Video Resolution | Up to 8K@60Hz 4:2:0 12-bit, 8K@30Hz 4:4:4 12-bit, 4K@120Hz 4:4:4 12-bit |
| Color Depth | 8/10/12-bit |
| Color Space | RGB 4:4:4, YCbCr 4:4:4, YCbCr 4:2:2, YCbCr 4:2:0 |
| HDR | HDR, HDR10, HDR10+, Dolby Vision, HLG |
| Audio Formats | HDMI Input/Output: LPCM, Dolby Digital/Plus/EX, Dolby True HD, Dolby Atmos, DTS, DTS-EX, DTS-96/24, DTS High Res, DTS-HD Master Audio, DTS:X, DSD eARC Audio Out: LPCM, Dolby Digital/Plus/EX, Dolby True HD, Dolby Atmos, DTS, DTS-EX, DTS-96/24, DTS High Res, DTS-HD Master Audio, DTS:X, DSD Audio De-embedded Output: Optical: LPCM 2.0CH / Dolby / DTS 5.1CH Analog: LPCM 2.0CH |
| Video Latency | No Latency |
| Audio Latency | No Latency |
| ESD Protection | IEC 61000-4-2: ±8kV (Air-gap discharge), ±4kV (Contact discharge) |
| Connection | |
| Input | 4x HDMI IN [Type A, 19-pin female] |
| Output | 1x HDMI OUT [Type A, 19-pin female] 1x OPTICAL [S/PDIF] 1x L/R [3.5mm Stereo Mini-jack] |
| Control | 1x SERVICE [USB Type C, firmware update port] |
| Mechanical | |
| Housing | Metal Enclosure |
| Color | Black |
| Dimensions | 176mm [W] × 68mm [D] × 18mm [H] |
| Weight | 315g |
| Power Supply | Input: AC 100-240V 50/60Hz, Output: DC 5V/1A (US/EU standards, CE/FCC/UL certified) |
| Power Consumption (Max) | 2.5W (Max) |
| Operating Temperature | 0°C ~ 40°C / 32°F ~ 104°F |
| Storage Temperature | -20°C ~ 60°C / -4°F ~ 140°F |
| Operating Humidity | 20%~90% RH (non-condensing) |
Operation Controls and Functions
Front Panel
| No. | Name | Function Description |
|---|---|---|
| 1 | IR Window | IR input signal receiving window. |
| 2 | POWER LED | The red LED is on when the device is powered on. |
| 3 | IN LED (1~4) | When the HDMI IN 1/2/3/4 port is selected as the signal source input channel, the corresponding green LED will be on. |
| 4 | OUT LED | When the HDMI OUT port connects to a display device, the green LED will be on. |
| 5 | AUTO LED | When the auto switching function is turned on (switches to the corresponding signal input channel when the signal source is connected), the green AUTO LED will be on. |
| 6 | eARC LED | On: The ARC/eARC function is turned on. CEC communication and ARC/eARC is working properly. Flashing: The ARC/eARC function is turned on. CEC communication and ARC/eARC is not working properly. Off: The ARC/eARC function is turned off. |
| 7 | eARC Switch | Press the button to turn on/off the ARC/eARC function. |
| 8 | SWITCH Button | Used to select signal source for OUT port. Short press to circularly switch HDMI input signal to the OUT port. Long press for 3 seconds to turn on/off the auto switching function. |
| 9 | EDID DIP Switch | Use the DIP switch to set EDID: 111 – Copy OUT port sink EDID (factory default) 110 – eARC OFF: 4K60(4:4:4)_HDR, Audio 2ch PCM; eARC ON: Video EDID copy sink EDID, Audio EDID copy soundbar EDID 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 |
| 10 | SERVICE | Firmware update and debug port. |
Rear Panel
| No. | Name | Function Description |
|---|---|---|
| 1 | IN 1/2/3/4 | HDMI input ports, connected to HDMI source device such as DVD, PS4 or Set-top Box with an HDMI cable. Note: When the ARC/eARC function is turned off, connect the "IN 1(eARC)" port to an HDMI source device to work as a signal input port. When the ARC/eARC function is turned on, connect the "IN 1(eARC)" port to a Soundbar or amplifier with ARC/eARC function to output the audio signal from other HDMI sources, or the audio returned from the TV connected to the "OUT(eARC)" port. |
| 2 | OUT (eARC) | HDMI output port, connect to HDMI display device such as HDTV or Projector with an HDMI cable. |
| 3 | OPTICAL | Optical fiber audio output port. |
| 4 | L/R | Analog audio output port. |
| 5 | DC 5V | DC 5V/1A power input port. |
IR Remote
| Button | Function Description |
|---|---|
| INPUT (▶) | Press this button to select the next HDMI signal source circularly. |
| Auto | Press this button to turn on/off the auto switching function. |
| 1 / 2 / 3 / 4 | Press 1/2/3/4 to select HDMI signal source IN 1/2/3/4 to the output. |
| eARC | Press this button to turn on/off the ARC/eARC function. |
Recommended HDMI Cable Lengths
| Video Resolution | HDMI Cable Length (IN / OUT) |
|---|---|
| 8K | 2m / 6.6ft (Ultra HDMI 2.1 cable) |
| 4K60 | 8m / 26ft |
| 4K24 | 12m / 39ft |
| 1080P | 15m / 49ft |
The use of "Premium High Speed HDMI" cable is highly recommended.
Application Example
Situation 1
When the ARC/eARC function is turned off, the connection diagram is as following.
At this moment, the optical audio or L/R audio is from the selected input channel.
