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Auri TX2N Transmitter | Wireless Audio Streaming Solution for Assistive Listening
The Auri TX2N Transmitter is a compact wireless audio transmitter designed to deliver clear, low-latency sound to compatible Auri receivers. Ideal for classrooms, assistive listening environments, and training spaces, it enhances speech clarity and accessibility.
Category: Venue Amplifiers and Accessories
Auri-TX2N 2 Channel Transmitter is a reliable and easy-to-use wireless audio solution developed to support assistive listening and inclusive communication environments. It enables clear transmission of audio directly from a source, such as a teacher’s microphone, television or audio system to compatible Auri receivers, ensuring that users can hear speech and sound with improved clarity.
The Auri-TX2N 2 Channel Transmitter is a sleek, low-profile transmitter designed for professional installations, resembling a Wi-Fi access point. It features a discreet logo, multicolour status indicator, and side-mounted balanced analog mic/line inputs, supporting mono, stereo, or dual mono configurations. A single ethernet connection manages PoE, network/PC control, and Audio over IP, with an option for Dante® network audio. It also includes a balanced line output and USB-C for optional power. A versatile ceiling/wall mounting bracket is included for easy installation. Available in white and black finishes.
This makes the Auri-TX2N 2 Channel Transmitter particularly effective in education, training, and support environments, where clear communication is essential for engagement and understanding. By reducing background noise and delivering audio directly to the listener, the system helps improve focus and accessibility for individuals with hearing challenges.
Key Benefits
- Enhanced Speech Clarity
Transmits audio directly to the listener, reducing the impact of background noise. - Wireless Convenience
Eliminates the need for complex cabling, allowing flexible placement and use. - Low Latency Transmission
Ensures synchronised audio for natural listening experiences. - Compact & Discreet Design
Easy to integrate into classrooms, meeting rooms, or home environments. - Supports Inclusive Learning
Ideal for learners with hearing impairments or auditory processing challenges.
Key Features
- Wireless audio transmission to Auri receivers
- High-quality, clear sound output
- Low-latency performance
- Simple pairing and operation
- Compatible with microphones, TVs, and audio sources
- Compact, portable design
- Rechargeable or powered operation (depending on setup)
- 2 radios with flexible routing options
- Expandable with repeater mode
- Network management
- 2 balanced mic/line inputs with phantom power
- Optional integrated Dante
- Powered by USB-C or PoE
- Available in white and black finishes.
Includes
- 1x AURI-TX2N or AURI-TX2N-D Transmitter
- 1x Universal mounting bracket
- 3x Euroblock connectors
- 1x 1.8 m (6 ft) Cat6 cable
- 1x Quick Start Guide and Safety Data Sheet
- 1x AURI Assistive Listening Sign (LA-308)
Note: This unit does not come with a power supply. It can be powered by PoE or a USB-C supply available separately (LA-425).
Ideal for
The Auri-TX2N 2 Channel Transmitter is suitable for a variety of environments where clear audio delivery is critical:
- Education – Classrooms, lecture halls, and special needs education
- Assistive Listening – Supporting individuals with hearing impairments
- Corporate – Meeting rooms and training sessions
- Home Use – TV listening and personal audio support
How It Works
The transmitter connects to an audio source and wirelessly sends the signal to compatible Auri receivers worn or used by the listener. This direct transmission reduces environmental distractions and ensures that important audio—such as speech or instructional content—is delivered clearly and consistently.
Why Choose the Auri-TX2N 2 Channel Transmitter ?
For organisations and individuals looking to improve accessibility and communication, the Auri-TX2N 2 Channel Transmitter offers a simple yet effective solution. It supports inclusive environments by ensuring that all users can access audio content clearly, regardless of background noise or room acoustics.
Its ease of use, portability, and reliable performance make it a valuable addition to any assistive technology setup, particularly in education and training environments where communication is key.
Inputs
| Audio Output | 2x audio inputs individually selectable between mic, line or optional Dante modes |
| Mic/Line Inputs | |
| Connection | 2x 3-way 3.5mm pitch Euroblock |
| Input impedance | 15kΩ |
| THD+N | 0.03% at 0dBu (line mode) 0.02% at –25dBu (mic mode) |
| Common mode rejection | 56dB |
| Microphone Mode | |
| Max level before clipping | -25 dBu |
| Sensitivity | -65 dBu |
| Switchable phantom power | +24 V |
| Line Mode | |
| Max level before clipping | +16 dBu |
| Sensitivity | -25 dBu |
| Dante (optional) | |
| Connection | Dedicated RJ45 socket |
| Port speed | 100 Mbit |
| Channels | 2 |
| Sample rates | 48 kHz |
Outputs
| Line Output | |
| Connection | 1x 3-way 2.5mm pitch Euroblock |
| Nominal output level | +1dBu |
| Output impedance | 150Ω |
| Radio | |
| Bluetooth version | 5.3 |
| Operating Frequency | 2400 to 2482 MHz |
| Operating mode | Auracast™ Compliant, Broadcast Only |
| Supported codec | LC3 |
| Maximum output power | North America: +20dBm Rest of World: +10dBm |
| Output power control | Attenuation from regional max to -10dBm |
| Encryption | AES128-CCM encryption, with 4-16 character password |
| Supported formats | Mono or Stereo |
Network Audio
| Input routing | Additional input source for each audio stream, must be selected from another TX2N on same network |
| Connection | Shared RJ45 with control and PoE |
| Channels | 2x stereo inputs 2x stereo outputs |
| Format | Multicast RTP |
| Bit depth | 16 bit |
| Sample rate | 16kHz, 24kHz or 48kHz, matched to broadcast |
| Bandwidth | 0.5Mbit/s (16kHz) to 1.5Mbit/s (48kHz) per stereo stream |
| Latency | 5 ms nominal |
Audio Processing
| Input routing | Disabled, Input 1 Only, Input 2 Only, Input 1 & 2 Stereo Pair, Input 1 & 2 Mono Sum |
| AGC | Switchable, 20dB gain control range |
| Low cut | Switchable, 24 dB/oct, frequency based on sample rate 16 kHz sample rate: 75 Hz 24 kHz sample rate: 110 Hz 48 kHz sample rate: 220 Hz |
| Sample rates | 16 kHz, 24 kHz (Auracast Standard – required) 48 kHz (Auracast High) |
| Frequency response +/- 3 dB (internal, line in to line out) | 16 kHz sample rate: 50 Hz – 7.5 kHz 24 kHz sample rate: 50 Hz – 11.0 kHz 48 kHz sample rate: 50 Hz – 22.5 kHz |
| Latency (internal, line in to line out) |
13ms |
| Latency (complete system, end to end) |
Auri RX1 – 29 ms to 45 ms (dependant on sample rate and mono/stereo) Other receivers will vary |
Network
| Port speed | 100 Mbit |
| IP address | DHCP, static or link-local |
| Protocols | mDNS, UDP (unicast), RTP (multicast), RTCP (multicast) |
| Security | UDP communication AES256-GCM |
Controls and Indication
| Buttons | Recessed restart and factory reset buttons |
| Setup/Programming | Via Auri Manager Software |
| Status LED | RGB multi-function LED, see handbook for states |
Power
| PoE | IEEE 802.3af |
| USB-C | 5V PD Compliant |
| Power consumption (nominal) | USB-C: 5V, 370mA (1.85W) PoE: 48V, 53mA (2.54W) |
Physical
| Dimensions | 183 x 173 x 48 mm (7.20 x 6.81 x 1.89 in.) |
| Weight | TX2N – 0.45 kg (0.99 lbs.) TX2N-D – 0.47 kg (1.04 lbs.) |
| Shipping Weight | TX2N – 0.89 kg (1.96 lbs.) TX2N-D – 0.91 kg (2.01 lbs.) |
| Enclosure Material | PC-ABS |
| Colour | White |
| Mounting | Removable wall/ceiling bracket Multiple holes to support mounting on standard UK, EU and US electrical back boxes and VESA 75 |
Environmental
| Temperature – Storage | -40 °C (-40 °F) to 70 °C (+158 °F) |
| Temperature – Operation | -10 °C (14 °F) to 40 °C (+104 °F) |
| Relative Humidity | 0 to 95% relative humidity, non-condensing |
| IP Rating | IP30 (with mounting bracket attached) |
Compliance
| Standards | FCC, ISED, CE, UKCA, RCM, MIC, RoHS, REACH, WEEE |
Network Requirements
| Usage | Type | Address | Port |
| Device discovery | mDNS (Multicast) | 224.0.0.251 | 5353 |
| Control | UDP (Unicast) | Device IP (DHCP, Static or Link Local) | 55666, 56666 |
| Firmware Update | TFTP | Device IP | 69 |
| Network Audio | RTP (Multicast) | 239.255.0.0/16 | 5004, 5006, 5008, 5012 |
| Network Audio | RTCP (Multicast) | 239.255.0.0/16 | 5005 |
