ST-NMXB44H150 18Gbps 4 x 4 HDBaseT 150M Matrix Front View
ST-NMXB44H150 18Gbps 4 x 4 HDBaseT 150M Matrix Front View
 ST-NMXB44H150 18Gbps 4 x 4 HDBaseT 150M Matrix Rear Panel
ST-NMXB44H150 18Gbps 4 x 4 HDBaseT 150M Matrix HDMI Ports
 ST-NMXB44H150 18Gbps 4 x 4 HDBaseT 150M Matrix HDBaseT Receiver
 ST-NMXB44H150 18Gbps 4 x 4 HDBaseT 150M Matrix Extender

ST-NMXB44H150 18Gbps 4 x 4 HDBaseT 150M Matrix

0.00 SR
  • Black
  • AC-powered
  • Metal
  • 4K ultra HD
  • 2160p
  • 3D
  • 1080p
  • Full HD
  • HD
  • HDMI
  • HDCP 2.2
  • HDCP 1.4
  • HDR10
  • HDR10+
  • Dolby vision
  • HLG
  • EDID management
  • LPCM
  • DTS
  • HDMI 2.0

Specifications

ST-NMXB44H150 18Gbps 4 x 4 HDBaseT 150M Matrix is a professional HDMI 2.0 HDBaseT matrix switch that connects four HDMI sources to four HDBaseT outputs with transmission distances up to 150m and supports 4K@60Hz 4:4:4, HDR, audio de-embedding and advanced AV control.

ST-NMXB44H150 18Gbps 4 x 4 HDBaseT 150M Matrix Features

☆ HDCP 2.2 and HDCP 1.x compliant
☆ Video resolution up to 4K2K@60Hz (YUV 4:4:4) on all HDMI™ & HDBaseT ports
☆ 4x HDMI™ inputs, 4x HDMI™ & HDBaseT mirrored outputs
☆ HDMI™ ports transmit 18Gbps lossless uncompressed video bandwidth
☆ Support 18Gbps lossless compressed HDBaseT signal transmission
☆ Support 4K→1080P Down Scaler for each output port
☆ HDR, HDR10, HDR10+, Dolby Vision, HLG are supported
☆ HDBaseT output can extend video transmission distance up to 492ft/150m for 1080P or 394ft/120m for 4K2K via a single CAT 5e/6/7 cable
☆ HDMI™ audio pass-through up to 7.1CH HD audio (LPCM, Dolby TrueHD and DTS-HD Master Audio)
☆ Support IR matrix
☆ Audio de-embedded is supported via analog and coax ports
☆ Advanced EDID management and CEC control are supported
☆ 24V PoC on all HDBaseT ports
☆ 1U rack mounted design with front panel OLED display
☆ Control via front panel buttons, IR remote, RS-232, LAN and Web GUI

ST-NMXB44H150 18Gbps 4 x 4 HDBaseT 150M Matrix Package Contents

① 1x 18Gbps 4x4 HDBaseT(150M) Matrix
② 4x HDBaseT Receiver
③ 1x Matrix IR Remote
④ 1x 100~240V AC 50/60Hz Power cable
⑤ 1x RS-232 serial cable (1.5 meters, male to female head)
⑥ 4x 3-pin Phoenix Connector & 4x 5-pin Phoenix Connector
⑦ 5x IR Blaster cable (1.5 meters)
⑧ 5x IR Receiver cable (1.5 meters)
⑨ 10x Mounting Ear (Matrix and Receiver)
⑩ 1x User Manual

The ST-NMXB44H150 18Gbps 4 x 4 HDBaseT 150M Matrix delivers reliable HDMI matrix switching with advanced EDID management, PoC support, and mirrored HDMI and HDBaseT outputs. The ST-NMXB44H150 18Gbps 4 x 4 HDBaseT 150M Matrix is suitable for enterprise AV systems, training rooms, command centers, and professional broadcasting environments.

ST-NMXB44H150 18Gbps 4 x 4 HDBaseT 150M Matrix Specifications

Parameter Description
Video
HDMI Compliance HDMI 2.0b
HDCP Compliance HDCP 2.2 and HDCP 1.x
Video Bandwidth 18 Gbps
Video Resolution Up to 4K2K@50/60Hz (4:4:4)
Color Space RGB 4:4:4, YCbCr 4:4:4 / 4:2:2 / 4:2:0
Color Depth 8/10/12-bit (1080p@60Hz); 8-bit (4K2K@60Hz YUV4:4:4); 8/10/12-bit (4K2K@60Hz YCbCr 4:2:2/4:2:0)
HDR Support HDR10, HDR10+, Dolby Vision, HLG
Audio
HDMI Audio Formats LPCM 2.0/2.1/5.1/6.1/7.1, Dolby Digital, Dolby TrueHD, Dolby Digital Plus (DD+), DTS-ES, DTS-HD Master, DTS-HD HRA, DTS-X
Coax Audio Formats PCM 2.0, Dolby Digital / Plus, DTS 2.0/5.1
Analog Balanced Audio PCM 2.0 CH
SNR > 90 dB
THD+N Ratio < 0.1% (V_max)
Frequency Response 20 Hz – 20 kHz ± 0.5 dB
Crosstalk > 80 dB
Max Output Voltage 2 Vrms
Transmission Distance
HDMI Cable — 1080P 50 ft / 15 m
HDMI Cable — 4K30 32 ft / 10 m
HDMI Cable — 4K60 16 ft / 5 m
CAT5e/6/7 (HDBaseT) — 1080P 492 ft / 150 m
CAT5e/6/7 (HDBaseT) — 4K2K 394 ft / 120 m
Protection
ESD Protection ±8 kV (Air-gap discharge), ±4 kV (Contact discharge) — IEC 61000-4-2
Physical
Housing Metal Enclosure — Black
Matrix Dimensions 440 × 200 × 44.5 mm (W × D × H) — 1U Rack Mount
Receiver Dimensions 140 × 65 × 18 mm (W × D × H)
Matrix Weight 3.1 kg
Receiver Weight 155 g
Power
Power Supply AC 100–240V, 50/60 Hz
Power Consumption 60 W (Max)
PoC 24V PoC on all HDBaseT ports
Environment
Operating Temperature 0°C – 40°C / 32°F – 104°F
Storage Temperature -20°C – 60°C / -4°F – 140°F
Operating Humidity 20% – 80% RH (non-condensing)
Storage Humidity 10% – 90% RH (non-condensing)

ST-NMXB44H150 18Gbps 4 x 4 HDBaseT 150M Matrix Operation Controls and Functions

Matrix — Front Panel

Matrix Front Panel
No. Name Function Description
1 OLED Screen Displays matrix switching status, input/output port, EDID, baud rate, and IP address.
2 Power LED Green: device working normally. Red: device in standby mode.
3 OUTPUT / INPUT Buttons (1–4) Press an OUTPUT button (1–4) first, then press an INPUT button (1–4) to route the selected input to that output.
4 MENU / ENTER / UP / DOWN EDID setting: Press MENU to enter Select EDID, use UP/DOWN to choose, ENTER to confirm input port. Baud rate: Press MENU twice, select baud rate, confirm with ENTER. IP address: Press MENU three times to view/edit IP and toggle DHCP ON/OFF.
5 POWER Button Hold for 3 seconds to enter standby. Press again to wake the device.
6 IR Window IR receiver window. Only receives the IR remote signal from this product.
7 LOCK Button Press to lock front panel buttons (except POWER). Press again to unlock.

Matrix — Rear Panel

Matrix Rear Panel
No. Name Function Description
1 IR IN (1/2/3/4/ALL) Connect IR receiver cable. Signal received here is emitted to the matching IR OUT port on the corresponding HDBaseT Receiver. IR IN ALL emits to all receivers simultaneously.
2 IR OUT (1/2/3/4/ALL) Connect IR blaster cable. Signal comes from the IR IN port of the corresponding HDBaseT Receiver.
3 AUDIO OUT (1–4) 4 groups of coaxial and balanced analog audio mirrored outputs. Follows the video output of OUTPUT (1–4) ports respectively.
4 GND Connect the housing to ground.
5 POWER Input Connect to 100–240V AC 50/60 Hz power cable. Press the power switch to turn on/off.
6 OUTPUT (1–4) Ports HDMI output: connect to HDMI display device. HDBT mirrored output: connect to HDBaseT Receiver via CAT cable.
7 INPUT (1–4) Ports HDMI input: connect to HDMI source device (e.g. Blu-ray player, PC, gaming console).
8 CONTROL Ports TCP/IP (RJ45): connect to active Ethernet for LAN/Web GUI control. RS-232 (D-Sub 9): connect to PC or control system for RS-232 command control.
Matrix Rear Panel Detail

ST-NMXB44H150 18Gbps 4 x 4 HDBaseT 150M Matrix HDBaseT Receiver Panel

HDBaseT Receiver Panel
No. Name Function Description
1 Power LED Red LED will be on when the receiver is powered on.
2 SERVICE Port Mini-USB port for firmware updates.
3 DC 24V 24V/1A DC power input. Note: PoC is supported — if either the matrix or receiver is powered via adapter, the other unit does not require a separate power supply.
4 HDBT IN RJ45 connector. Connect to the matching HDBT OUTPUT port on the matrix using a CAT5e/6/7 cable.
5 Connection Signal Indicator On: good connection to matrix. Flashing: poor connection. Off: not connected.
6 Data Signal Indicator On: HDMI signal with HDCP present. Flashing: HDMI signal without HDCP. Off: no HDMI signal.
7 OUT HDMI output port. Connect to display device with HDMI cable.
8 AUDIO OUT 3.5mm analog audio output. Audio is extracted from the HDMI signal.
9 IR IN Connect IR receiver cable. Signal is transmitted to the IR OUT port of the matrix.
10 IR OUT Connect IR blaster cable. Signal originates from the IR IN port of the matrix.
11 RS-232 3-pin Phoenix connector. Connect to PC or control system for RS-232 pass-through between matrix and receiver.

IR Remote

IR Remote
Button Function Description
① Power Power on the Matrix or set it to standby mode.
② Output 1 — 1/2/3/4 Press 1, 2, 3 or 4 to select the corresponding input source for HDMI OUTPUT 1.
③ Output 2 — 1/2/3/4 Press 1, 2, 3 or 4 to select the corresponding input source for HDMI OUTPUT 2.
④ Output 3 — 1/2/3/4 Press 1, 2, 3 or 4 to select the corresponding input source for HDMI OUTPUT 3.
⑤ Output 4 — 1/2/3/4 Press 1, 2, 3 or 4 to select the corresponding input source for HDMI OUTPUT 4.
◄ / ► (per output) Select the previous or next input source for the corresponding output.

IR Control System

The product is not only a matrix switch but also an extender. It supports bi-directional IR control. When Matrix is connected to HDBaseT Receiver through Cat 5e/6/7 cable, you can control remote display device (HDBaseT) or input source device (Matrix) through IR signal transmission. But you must note that the IR signal transmission method is different from the method from Matrix (local) to HDBaseT Receiver (remote) and from HDBaseT Receiver (remote) to Matrix (local).

At the Matrix end (Local end): the IR signal is one-to-one transmission. For example, the IR IN 1 port signal of the Matrix will emit to IR OUT port of the HDBaseT Receiver 1, and the IR IN 3 port signal of the Matrix will emit to IR OUT port of the HDBaseT Receiver 3. It doesn't follow the video switch to change. IR IN ALL port signal of the Matrix will emit to all IR OUT ports of HDBaseT receivers simultaneously.

IR Control - Matrix End Diagram

At HDBaseT receiver (Remote end): IR signal follows video switch to change. For example, the HDMI output signal on the HDBaseT Receiver 1 is from the HDMI INPUT 2 port, so IR input signal of the HDBaseT Receiver 1 will emit to IR OUT 2 port of the Matrix. Any of HDBaseT Receiver's IR IN signal can output from IR OUT ALL port of the Matrix and the IR OUT ALL signal of the Matrix depends on your IR remote of source device.

IR Control - Receiver End Diagram

IR Cable Pin Assignment

IR Cable Pin Assignment

RS-232 Control Command

The product also supports RS-232 control. You need a serial cable with RS-232 male head and DB9 transfer USB male head. The RS-232 head of the serial cable is connected to the RS-232 control port with DB9 at the rear of the Matrix, and the USB head of the serial cable is connected to a PC. The connection method is as follows:

RS-232 Connection

The ST-NMXB44H150 18Gbps 4 x 4 HDBaseT 150M Matrix is designed for professional AV distribution in conference rooms, education, digital signage, and commercial installations. The ST-NMXB44H150 18Gbps 4 x 4 HDBaseT 150M Matrix supports HDMI 2.0, HDBaseT transmission up to 150m, HDR, audio de-embedding, and flexible control through Web GUI, RS-232, IR remote, and LAN. Integrators rely on the ST-NMXB44H150 18Gbps 4 x 4 HDBaseT 150M Matrix for dependable 4K signal routing and long-distance AV extension.

Application Example

Application Example

ST-NMXB44H150 18Gbps 4 x 4 HDBaseT 150M Matrix is a professional HDMI 2.0 HDBaseT matrix switch that connects four HDMI sources to four HDBaseT outputs with transmission distances up to 150m and supports 4K@60Hz 4:4:4, HDR, audio de-embedding and advanced AV control.

ST-NMXB44H150 18Gbps 4 x 4 HDBaseT 150M Matrix Features

☆ HDCP 2.2 and HDCP 1.x compliant
☆ Video resolution up to 4K2K@60Hz (YUV 4:4:4) on all HDMI™ & HDBaseT ports
☆ 4x HDMI™ inputs, 4x HDMI™ & HDBaseT mirrored outputs
☆ HDMI™ ports transmit 18Gbps lossless uncompressed video bandwidth
☆ Support 18Gbps lossless compressed HDBaseT signal transmission
☆ Support 4K→1080P Down Scaler for each output port
☆ HDR, HDR10, HDR10+, Dolby Vision, HLG are supported
☆ HDBaseT output can extend video transmission distance up to 492ft/150m for 1080P or 394ft/120m for 4K2K via a single CAT 5e/6/7 cable
☆ HDMI™ audio pass-through up to 7.1CH HD audio (LPCM, Dolby TrueHD and DTS-HD Master Audio)
☆ Support IR matrix
☆ Audio de-embedded is supported via analog and coax ports
☆ Advanced EDID management and CEC control are supported
☆ 24V PoC on all HDBaseT ports
☆ 1U rack mounted design with front panel OLED display
☆ Control via front panel buttons, IR remote, RS-232, LAN and Web GUI

ST-NMXB44H150 18Gbps 4 x 4 HDBaseT 150M Matrix Package Contents

① 1x 18Gbps 4x4 HDBaseT(150M) Matrix
② 4x HDBaseT Receiver
③ 1x Matrix IR Remote
④ 1x 100~240V AC 50/60Hz Power cable
⑤ 1x RS-232 serial cable (1.5 meters, male to female head)
⑥ 4x 3-pin Phoenix Connector & 4x 5-pin Phoenix Connector
⑦ 5x IR Blaster cable (1.5 meters)
⑧ 5x IR Receiver cable (1.5 meters)
⑨ 10x Mounting Ear (Matrix and Receiver)
⑩ 1x User Manual

The ST-NMXB44H150 18Gbps 4 x 4 HDBaseT 150M Matrix delivers reliable HDMI matrix switching with advanced EDID management, PoC support, and mirrored HDMI and HDBaseT outputs. The ST-NMXB44H150 18Gbps 4 x 4 HDBaseT 150M Matrix is suitable for enterprise AV systems, training rooms, command centers, and professional broadcasting environments.

ST-NMXB44H150 18Gbps 4 x 4 HDBaseT 150M Matrix Specifications

Parameter Description
Video
HDMI Compliance HDMI 2.0b
HDCP Compliance HDCP 2.2 and HDCP 1.x
Video Bandwidth 18 Gbps
Video Resolution Up to 4K2K@50/60Hz (4:4:4)
Color Space RGB 4:4:4, YCbCr 4:4:4 / 4:2:2 / 4:2:0
Color Depth 8/10/12-bit (1080p@60Hz); 8-bit (4K2K@60Hz YUV4:4:4); 8/10/12-bit (4K2K@60Hz YCbCr 4:2:2/4:2:0)
HDR Support HDR10, HDR10+, Dolby Vision, HLG
Audio
HDMI Audio Formats LPCM 2.0/2.1/5.1/6.1/7.1, Dolby Digital, Dolby TrueHD, Dolby Digital Plus (DD+), DTS-ES, DTS-HD Master, DTS-HD HRA, DTS-X
Coax Audio Formats PCM 2.0, Dolby Digital / Plus, DTS 2.0/5.1
Analog Balanced Audio PCM 2.0 CH
SNR > 90 dB
THD+N Ratio < 0.1% (V_max)
Frequency Response 20 Hz – 20 kHz ± 0.5 dB
Crosstalk > 80 dB
Max Output Voltage 2 Vrms
Transmission Distance
HDMI Cable — 1080P 50 ft / 15 m
HDMI Cable — 4K30 32 ft / 10 m
HDMI Cable — 4K60 16 ft / 5 m
CAT5e/6/7 (HDBaseT) — 1080P 492 ft / 150 m
CAT5e/6/7 (HDBaseT) — 4K2K 394 ft / 120 m
Protection
ESD Protection ±8 kV (Air-gap discharge), ±4 kV (Contact discharge) — IEC 61000-4-2
Physical
Housing Metal Enclosure — Black
Matrix Dimensions 440 × 200 × 44.5 mm (W × D × H) — 1U Rack Mount
Receiver Dimensions 140 × 65 × 18 mm (W × D × H)
Matrix Weight 3.1 kg
Receiver Weight 155 g
Power
Power Supply AC 100–240V, 50/60 Hz
Power Consumption 60 W (Max)
PoC 24V PoC on all HDBaseT ports
Environment
Operating Temperature 0°C – 40°C / 32°F – 104°F
Storage Temperature -20°C – 60°C / -4°F – 140°F
Operating Humidity 20% – 80% RH (non-condensing)
Storage Humidity 10% – 90% RH (non-condensing)

ST-NMXB44H150 18Gbps 4 x 4 HDBaseT 150M Matrix Operation Controls and Functions

Matrix — Front Panel

Matrix Front Panel
No. Name Function Description
1 OLED Screen Displays matrix switching status, input/output port, EDID, baud rate, and IP address.
2 Power LED Green: device working normally. Red: device in standby mode.
3 OUTPUT / INPUT Buttons (1–4) Press an OUTPUT button (1–4) first, then press an INPUT button (1–4) to route the selected input to that output.
4 MENU / ENTER / UP / DOWN EDID setting: Press MENU to enter Select EDID, use UP/DOWN to choose, ENTER to confirm input port. Baud rate: Press MENU twice, select baud rate, confirm with ENTER. IP address: Press MENU three times to view/edit IP and toggle DHCP ON/OFF.
5 POWER Button Hold for 3 seconds to enter standby. Press again to wake the device.
6 IR Window IR receiver window. Only receives the IR remote signal from this product.
7 LOCK Button Press to lock front panel buttons (except POWER). Press again to unlock.

Matrix — Rear Panel

Matrix Rear Panel
No. Name Function Description
1 IR IN (1/2/3/4/ALL) Connect IR receiver cable. Signal received here is emitted to the matching IR OUT port on the corresponding HDBaseT Receiver. IR IN ALL emits to all receivers simultaneously.
2 IR OUT (1/2/3/4/ALL) Connect IR blaster cable. Signal comes from the IR IN port of the corresponding HDBaseT Receiver.
3 AUDIO OUT (1–4) 4 groups of coaxial and balanced analog audio mirrored outputs. Follows the video output of OUTPUT (1–4) ports respectively.
4 GND Connect the housing to ground.
5 POWER Input Connect to 100–240V AC 50/60 Hz power cable. Press the power switch to turn on/off.
6 OUTPUT (1–4) Ports HDMI output: connect to HDMI display device. HDBT mirrored output: connect to HDBaseT Receiver via CAT cable.
7 INPUT (1–4) Ports HDMI input: connect to HDMI source device (e.g. Blu-ray player, PC, gaming console).
8 CONTROL Ports TCP/IP (RJ45): connect to active Ethernet for LAN/Web GUI control. RS-232 (D-Sub 9): connect to PC or control system for RS-232 command control.
Matrix Rear Panel Detail

ST-NMXB44H150 18Gbps 4 x 4 HDBaseT 150M Matrix HDBaseT Receiver Panel

HDBaseT Receiver Panel
No. Name Function Description
1 Power LED Red LED will be on when the receiver is powered on.
2 SERVICE Port Mini-USB port for firmware updates.
3 DC 24V 24V/1A DC power input. Note: PoC is supported — if either the matrix or receiver is powered via adapter, the other unit does not require a separate power supply.
4 HDBT IN RJ45 connector. Connect to the matching HDBT OUTPUT port on the matrix using a CAT5e/6/7 cable.
5 Connection Signal Indicator On: good connection to matrix. Flashing: poor connection. Off: not connected.
6 Data Signal Indicator On: HDMI signal with HDCP present. Flashing: HDMI signal without HDCP. Off: no HDMI signal.
7 OUT HDMI output port. Connect to display device with HDMI cable.
8 AUDIO OUT 3.5mm analog audio output. Audio is extracted from the HDMI signal.
9 IR IN Connect IR receiver cable. Signal is transmitted to the IR OUT port of the matrix.
10 IR OUT Connect IR blaster cable. Signal originates from the IR IN port of the matrix.
11 RS-232 3-pin Phoenix connector. Connect to PC or control system for RS-232 pass-through between matrix and receiver.

IR Remote

IR Remote
Button Function Description
① Power Power on the Matrix or set it to standby mode.
② Output 1 — 1/2/3/4 Press 1, 2, 3 or 4 to select the corresponding input source for HDMI OUTPUT 1.
③ Output 2 — 1/2/3/4 Press 1, 2, 3 or 4 to select the corresponding input source for HDMI OUTPUT 2.
④ Output 3 — 1/2/3/4 Press 1, 2, 3 or 4 to select the corresponding input source for HDMI OUTPUT 3.
⑤ Output 4 — 1/2/3/4 Press 1, 2, 3 or 4 to select the corresponding input source for HDMI OUTPUT 4.
◄ / ► (per output) Select the previous or next input source for the corresponding output.

IR Control System

The product is not only a matrix switch but also an extender. It supports bi-directional IR control. When Matrix is connected to HDBaseT Receiver through Cat 5e/6/7 cable, you can control remote display device (HDBaseT) or input source device (Matrix) through IR signal transmission. But you must note that the IR signal transmission method is different from the method from Matrix (local) to HDBaseT Receiver (remote) and from HDBaseT Receiver (remote) to Matrix (local).

At the Matrix end (Local end): the IR signal is one-to-one transmission. For example, the IR IN 1 port signal of the Matrix will emit to IR OUT port of the HDBaseT Receiver 1, and the IR IN 3 port signal of the Matrix will emit to IR OUT port of the HDBaseT Receiver 3. It doesn't follow the video switch to change. IR IN ALL port signal of the Matrix will emit to all IR OUT ports of HDBaseT receivers simultaneously.

IR Control - Matrix End Diagram

At HDBaseT receiver (Remote end): IR signal follows video switch to change. For example, the HDMI output signal on the HDBaseT Receiver 1 is from the HDMI INPUT 2 port, so IR input signal of the HDBaseT Receiver 1 will emit to IR OUT 2 port of the Matrix. Any of HDBaseT Receiver's IR IN signal can output from IR OUT ALL port of the Matrix and the IR OUT ALL signal of the Matrix depends on your IR remote of source device.

IR Control - Receiver End Diagram

IR Cable Pin Assignment

IR Cable Pin Assignment

RS-232 Control Command

The product also supports RS-232 control. You need a serial cable with RS-232 male head and DB9 transfer USB male head. The RS-232 head of the serial cable is connected to the RS-232 control port with DB9 at the rear of the Matrix, and the USB head of the serial cable is connected to a PC. The connection method is as follows:

RS-232 Connection

The ST-NMXB44H150 18Gbps 4 x 4 HDBaseT 150M Matrix is designed for professional AV distribution in conference rooms, education, digital signage, and commercial installations. The ST-NMXB44H150 18Gbps 4 x 4 HDBaseT 150M Matrix supports HDMI 2.0, HDBaseT transmission up to 150m, HDR, audio de-embedding, and flexible control through Web GUI, RS-232, IR remote, and LAN. Integrators rely on the ST-NMXB44H150 18Gbps 4 x 4 HDBaseT 150M Matrix for dependable 4K signal routing and long-distance AV extension.

Application Example

Application Example
Dimensions 10 x 8 x 5 cm
Weight 500g
Material Premium aluminum alloy
Color Black, Silver, Gold
Warranty 2 years manufacturer warranty