Listen Technologies Auri TX2N-D Two-Channel Transmitter for Assisted Listening with Dante (Black)

BH #LIAUTX2NDBA0 • MFR #AURI-TX2N-DB-A0
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Listen Technologies Auri TX2N-D Two-Channel Transmitter for Assisted Listening with Dante (Black)
Key Features
  • For Use in Variety of Public Venues
  • Use with Auracast-Compatible Receivers
  • Use with Aura RX1 Receiver
  • Supports Unlimited Number of Receivers
The Auri TX2N-D from Listen Technologies is a professional Auracast transmitter designed for seamless integration into assistive listening and audio distribution systems. This version includes built-in Dante network audio, allowing for direct integration with Dante-enabled audio infrastructures. Supporting broadcasts for an unlimited number of Auracast-compatible receivers, including the Auri RX1 (available separately), hearing aids, earbuds, and smartphones, the TX2N-D eliminates the need for device pairing—users simply select the desired Auracast channel, similar to connecting to a Wi-Fi network.
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Listen Technologies TX2N-D Overview

The Auri TX2N-D from Listen Technologies is a professional Auracast transmitter designed for seamless integration into assistive listening and audio distribution systems. This version includes built-in Dante network audio, allowing for direct integration with Dante-enabled audio infrastructures. Supporting broadcasts for an unlimited number of Auracast-compatible receivers, including the Auri RX1 (available separately), hearing aids, earbuds, and smartphones, the TX2N-D eliminates the need for device pairing—users simply select the desired Auracast channel, similar to connecting to a Wi-Fi network.

Versatile Connectivity
With two independent radio channels and versatile audio routing options, the TX2N-D supports mono, stereo, or dual-mono streams, making it ideal for applications such as language interpretation or multiple content sources. It features two balanced mic/line inputs with phantom power, a balanced line output, and a single Ethernet connection for PoE power, network management, and Audio over IP, in addition to its Dante capability. A USB-C port provides an alternative power option.
Powerful and Scalable
The TX2N-D broadcasts up to 328 feet in all directions and can be expanded with additional units in repeater mode for extended coverage. Latency as low as 30 ms ensures a seamless listening experience, though performance may vary depending on the receiving device. Each transmitter supports two simultaneous channels, and multiple units can be daisy-chained to accommodate additional channels.
At a Glance
  • Integrated Dante network audio for seamless system integration
  • Supports two independent radio channels with flexible routing
  • Expandable coverage with repeater mode
  • Network management via Ethernet
  • Two balanced mic/line inputs with phantom power
  • Powered by PoE or USB-C (power supply sold separately)
  • Versatile ceiling/wall mounting bracket included for easy installation
UPC: 819267028524

Listen Technologies TX2N-D Specs

General
Compatibility
Not Specified by Manufacturer
Inputs/Outputs
USB I/O
1 x USB-C (Power Only) Female Input
Audio I/O
2x Block 3-Pin Line/Mic Input
1x Block 3-Pin Line Output
Inputs/Outputs
Inputs
Input Selection: 2 x Audio Inputs Individually Selectable Between Mic, Line or Optional Dante Modes

Mic/Line Inputs
Connection: 2 x 3-Way 3.5 mm Pitch Euroblock
Input impedance: 15 Kilohms
THD+N: 0.03% at 0 dBu (Line Mode) 0.02% at -25 dBu (Mic Mode)
Common Mode Rejection: 56 dB

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

Line Output
Connection 1 x 3-Way 2.5 mm Pitch Euroblock
Nominal Output Level: +1 dBu
Output Impedence: 150 Ohms
Network
Dante
Connection: Dedicated RJ45 Socket
Port Speed: 100 Mbit
Channels: 2
Sample Rates: 48 kHz
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: 2 x Stereo Inputs, 2 x Stereo Outputs
Format: Multicast RTP
Bit Depth: 16-Bit
Sample Rate: 16 kHz, 24 kHz, or 48 kHz, Matched to Broadcast
Bandwidth: 0.5 Mbit/s (16 kHz) to 1.5 Mbit/s (48 kHz) per Stereo Stream
Latency: 5 ms Nominal

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
Network Interface
Network Requirements
Device Discovery Type: mDNS (Multicast), Address: 224.0.0.251, Port: 5353
Control Type: UDP (Unicast), Address: Device IP (DHCP, Static or Link Local), Port: 55666, 56666
Firmware Update Type; TFTP, Address: using Device IP, Port: 69
Network audio Type: RTP (Multicast), Address: 239.255.0.0/16, Port: 5004, 5006, 5008, 5012
Network audio Type: RTCP (Multicast), Address: 239.255.0.0/16, Port: 5005
Bluetooth
Radio
Bluetooth Version: 5.3
Operating Frequency: 2400 to 2482 MHz
Operating Mode: Auracast Compliant, Broadcast Only
Support Codec: LC3
Maximum Output Power: North America: +20 dBm, Rest of World: +10 dBm
Output Power Control: Attenuation from Regional Max to -10 dBm
Encryption: AES128-CCM Encryption, with 4-16 Character Password
Supported Formats: Mono or Stereo
Processing
Audio Processing
Input Routing Disabled, Input 1 Only, Input 2 Only, input 1 and 2 Stereo Pair, Input 1 and 2 Mono Sum
AGC Switchable, 20 dB 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 to 7.5 kHz, 24 kHz Sample Rate: 50 Hz to 11.0 kHz, 48 kHz Sample Rate: 50 Hz to 22.5 kHz
Latency (internal, Line In to Line Out) 13 ms
Latency (Complete System, End to End) Auri RX1 - 29 ms to 45 ms (Dependent on Sample Rate and Mono/Stereo)
Controls and Indicators
Buttons: Recessed Restart and Factory Reset Buttons
Setup/Programming: Via Auri Manager Software
Status LED: RGB Multi-Function LED
Wireless
Wireless
Bluetooth 5.3
*Built-In
Power
Power Source
PoE, USB
DC Input Power
5 VDC at 370 mA
Physical
Color
Black
Material of Construction
PC-ABS
Certifications
CE, FCC, RCM, REACH, RoHS, UKCA, WEEE
Operating Conditions
14 to 104°F / -10 to 40°C up to 95% Humidity
Storage Conditions
-40 to 158°F / -40 to 70°C up to 95% Humidity
Dimensions
7.2 x 6.81 x 1.89" / 18.29 x 17.3 x 4.8 cm
Weight
1.04 lb / 0.47 kg
Packaging Info
Package Weight
2.355 lb
Box Dimensions (LxWxH)
13.8 x 10.2 x 3.2"

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