Listen Technologies TX2N Overview
The Auri TX2N from Listen Technologies is a professional Auracast transmitter designed for seamless integration into assistive listening and audio distribution systems. Supporting broadcasts to an unlimited number of Auracast-compatible receivers, including the Auri RX1 (available separately), hearing aids, earbuds, and smartphones, the TX2N eliminates the need for device pairing�users simply select the desired Auracast channel, similar to connecting to a Wi-Fi network.
- 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
Items Included
- Listen Technologies Auri TX2N Two-Channel Transmitter for Assisted Listening
- Universal Mounting Bracket
- 3 x Euroblock Connector
- Cat6 Cable (6′)
- Limited 5-Year Manufacturer Warranty
Additional Resources
No additional resources available
Listen Technologies TX2N Specs
| Inputs |
Input Selection: 2 x Audio Inputs Individually Selectable between Mic, Line, or DanteModes Mic/Line Inputs: 2 x 3-Way 3.5 mm Pitch Euroblock Input Impedance: 15 Kilohms |
| Microphone Input |
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: 3-Way 2.5 mm Pitch Euroblock Nominal Output Level: +1 dBu Output Impedence: 150 Ohms |
| 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 |
| 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 Mb/s (16 kHz) to 1.5 Mb/s (48 kHz) per Stereo Stream Latency: 5 ms nominal |
| Audio Processing |
Input Routing: Disabled, Input 1 Only, Input 2 Only, Input 1 and 2 Stereo Pair, Input 1 and 2 MonoSum 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), Other Receivers Will Vary |
| Network |
Port Speed: 100 Mb IP Address: DHCP, Static or Link-Local Protocols mDNS, UDP (Unicast), RTP (Multicast), RTCP (Multicast) Security: UDP Communication, AES256 – GCM |
| 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 |
| Compliance |
FCC, ISED, CE, UKCA, RCM, MIC, RoHS, REACH, WEEE |
| Power |
PoE IEEE 802.3af USB-C: 5V PD Compliant Power Consumption: USB-C: 5V, 370mA (1.85W) PoE: 48V, 53mA (2.54W) |
| Environmental |
Temperature – Storage: -40 to 158 F / -40 °C to 70 C Temperature – Operation: 14 to 104 F / to -10 to 40 C Relative Humidity: 0 to 95% Relative Humidity, Noncondensing IP Rating IP30 (with Mounting Bracket Attached) |
| Dimensions |
7.20 x 6.81 x 1.89″ / 183 x 173 x 48 mm |
| Weight |
0.99 lb / 0.45 kg |
| Package Weight |
2.15 lb |
| Box Dimensions (LxWxH) |
13.4 x 9.5 x 3.1″ |
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