Description
The ST-NEDA150SA Audio Extender transmits HDMI ARC and S/PDIF audio signals over a single CAT cable up to 150m/492ft (96kHz) or 90m/295ft (192kHz for ARC). The ST-NEDA150SA Audio Extender supports HDMI ARC, S/PDIF audio pass-through, CEC pass-through, plug-and-play operation and reliable long-distance audio transmission for professional AV applications.
The ST-NEDA150SA Audio Extender provides an independent S/PDIF audio pass-through channel for TVs without ARC support. It is ideal for HDTVs, amplifiers, AV receivers, soundbars and multi-room audio systems requiring stable CAT cable audio transmission.
Features
☆ Extend HDMI ARC audio signal up to a distance of 150m/495ft (96kHz) or 90m/295ft (192kHz) over a single CAT cable
☆ Extend S/PDIF audio signal up to a distance of 150m/495ft (96kHz) over a single CAT cable
☆ Audio formats support: PCM 2.0ch, Dolby 5.1ch, DTS 5.1ch
☆ Support CEC pass-through when HDMI ARC mode is enabled
☆ Plug-and-play
☆ Small compact size
☆ Ultra-low jitter and high-fidelity design
Package Contents
① 1× HDMI Audio Extender (Transmitter)
② 1× HDMI Audio Extender (Receiver)
③ 2× USB Shielded Cable (USB-A to Micro USB, 1m)
④ 2× 5V/1A Power Adapter
⑤ 1× User Manual
Specifications
| Technical | |
| Supported Audio Formats | PCM 2.0ch, Dolby 5.1ch, DTS 5.1ch |
| Transmission Distance & Sample Rates |
ARC audio: 150m / 495ft @ 96kHz | 90m / 295ft @ 192kHz S/PDIF audio: 150m / 495ft @ 96kHz |
| ESD Protection | Human-body Model: ±8kV (Air-gap discharge), ±4kV (Contact discharge) |
| Connection – Transmitter | |
| Input | 1× S/PDIF IN [Optical Audio Jack] 1× ARC IN [HDMI Type A, 19-pin female] 1× Micro-USB |
| Output | 1× CAT OUT [RJ45] |
| Connection – Receiver | |
| Input | 1× CAT IN [RJ45] 1× Micro-USB |
| Output | 1× S/PDIF OUT [Optical Audio Jack] 1× ARC OUT [HDMI Type A, 19-pin female] |
| Power | |
| Power Supply | DC 5V/1A |
| Power Consumption (Max) | Transmitter: 0.35W | Receiver: 0.7W |
| Mechanical | |
| Dimensions | 90mm (W) × 72mm (D) × 20mm (H) |
| Weight | 175g (Transmitter / Receiver) |
| Housing | Metal Enclosure – Black |
| Environmental | |
| Operating Temperature | 0°C ~ 40°C / 32°F ~ 104°F |
| Storage Temperature | -20°C ~ 60°C / -4°F ~ 140°F |
| Relative Humidity | 20%~90% RH (non-condensing) |
Operation Controls and Functions
Transmitter
| No. | Name | Function Description |
|---|---|---|
| 1 | Power LED | When the transmitter is powered on, the red power LED will be on. |
| 2 | S/PDIF / ARC Switch | Use this switch to select audio pass-through channel. S/PDIF: The S/PDIF OUT port outputs the optical audio from the S/PDIF IN port of the transmitter. ARC: The ARC OUT port outputs the HDMI ARC audio from the ARC IN port of the transmitter. |
| 3 | CAT OUT | Connect to the CAT IN port of the receiver with CAT6 cable. |
| 4 | S/PDIF IN | Optical fiber audio input port, connected to an optical digital audio source device with Optical Toslink cable. |
| 5 | ARC IN | HDMI audio signal input port, connected to a TV with ARC function, used for ARC audio and CEC pass-through. |
| 6 | DC 5V | Micro USB power input port. |
Receiver
| No. | Name | Function Description |
|---|---|---|
| 1 | Power LED | When the receiver is powered on, the red power LED will be on. |
| 2 | CAT IN | Connect to the CAT OUT port of the transmitter with CAT6 cable. |
| 3 | S/PDIF OUT | Optical fiber audio output port, connected to amplifier or speaker with Optical Toslink cable. |
| 4 | ARC OUT | HDMI audio signal output port, connected to HDMI audio device with ARC function such as a soundbar. |
| 5 | DC 5V | Micro USB power input port. |
Application Example
