
The Auracast transmitter is an innovative technology that's changing the way we share audio content. It's designed to work seamlessly with Bluetooth devices, making it easy to stream audio to multiple receivers at the same time.
Auracast transmitters can support up to 128 devices, which is a significant improvement over traditional Bluetooth technology. This means you can share audio with a large group of people without any issues.
One of the key features of Auracast transmitters is their ability to work in a low-power mode, which helps to conserve battery life. This is especially useful for devices that need to be portable or have limited power sources.
Auracast transmitters also support advanced audio codecs, such as LE Audio, which provides high-quality audio streaming. This ensures that your audio content sounds great, even in crowded spaces.
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Getting Started
The Auracast transmitter is a relatively new technology, but it's already gaining popularity among audio enthusiasts.
It's powered by Bluetooth 5.2 technology, which provides a stable and reliable connection.
Make sure your device is compatible with Bluetooth 5.2 before purchasing an Auracast transmitter.
The transmitter is designed to work with a wide range of devices, including smartphones, tablets, and laptops.
For optimal performance, place the transmitter in a central location, away from physical obstructions.
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Technical Details
The Auracast transmitter is designed to be a low-power device, typically operating at a power level of around 1-10 milliwatts. This low power consumption makes it suitable for use in devices such as headphones and speakers.
Auracast transmitters use the Bluetooth Low Energy (BLE) standard to transmit audio signals. This standard is widely supported and allows for easy integration with existing devices.
The transmitter can be paired with multiple devices at once, making it easy to share audio with friends or family members. This feature is particularly useful for applications such as group tours or presentations.
Auracast transmitters typically use the 2.4 GHz frequency band to transmit audio signals. This frequency band is widely available and provides a stable connection.
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Key Features
The Auri™ TX2N Transmitter is a sleek, low-profile device designed for professional installations. It features a discreet logo, multicolor status indicator, and side-mounted balanced analog mic/line inputs.
This transmitter supports mono, stereo, or dual mono configurations, and a single ethernet connection manages PoE, network/PC control, and Audio over IP. The transmitter also includes a balanced line output and USB-C for optional power.
Here are some of the key features of the Auri transmitter:
- Compatible with any Auracast BLE standard receiver (consumer device)
- Multi-language support
- Support for different levels of announcement urgencies (e.g. all announcements, disturbances only,…)
- At least 4 concurrent Auracast broadcast streams supported (up to 8 broadcast streams)
- Not sensitive to Auracast broadcasts of neighboring trains (patent pending)
- Dynamic broadcast name (Auracast stream ID visible to passengers, patent pending)
- One consistent broadcast network across multiple cars, even in consists.
- Stand-alone (via PoE connection) or integrated into the TRACS amplifier
Auri Manager Software
Auri Manager Software is a game-changer for managing your Auri devices. It simplifies configuration and management across your network with automatic device discovery.
With Auri Manager, you can easily create and manage device groups, update firmware, and monitor system health. This means you can keep track of everything in one convenient place.
You can configure system parameters to give users the best experience by naming channels, setting audio quality, and defining how receivers scan and connect. This is especially useful for large systems.
Auri Manager also allows you to control which channels are visible and accessible, ensuring that only those who need to listen to your channel can access it securely.
TX2N

The TX2N transmitter is a sleek, low-profile device designed for professional installations, resembling a Wi-Fi access point.
It features a discreet logo, multicolor 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. This makes it easy to set up and manage the system.
The TX2N also includes a balanced line output and USB-C for optional power. This gives you flexibility in how you power the device.
A ceiling/wall mounting bracket is included for easy installation, making it simple to get the TX2N up and running.
LE Audio Devices
LE Audio Devices offer a range of features that enhance the listening experience. These devices support aptX-Adaptive low latency and high-resolution audio, making them perfect for gaming, watching videos, or listening to music.
One notable device is the Audikast 4HA Audio Transmitter, which is optimized for hearing aids and supports Auracast. It's available for pre-order on September 30, 2025, for $69.99.
The Voyager white Bluetooth Airplane Adapter also supports Auracast and features an OLED screen for clear device pairing visibility. It's priced at $59.99 and can be added to cart.
The AuraGo (AS70P) Bluetooth 5.4 LE Audio Receiver is another device that supports Auracast and Unicast. It's available for pre-order for $59.99 and comes with an app for customization.
Other devices that support LE Audio and Auracast include the TrailCaster Red WaterPoof Wearable Speaker and the Infinity NC White Noise Cancelling Earbuds. The TrailCaster is priced at $49.99 and can be added to cart, while the Infinity NC Earbuds are available for pre-order on October 31, 2025, for $55.99.
Here are some key features of LE Audio Devices:
The ProLink LE Audio Adapter Set also supports LE Audio and features ultra-low latency for gaming and watching videos. It's priced at $79.99 and can be added to cart.
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The Audikast 4 Bluetooth Transmitter for TV supports Auracast and LE Audio, and is available for pre-order on September 30, 2025, for $54.99.
The Aura Upgrade Firmware Upgrade allows users to customize their Auracast settings, including setting their own name and password. It's priced at $9.99 and can be added to cart.
Features
The Auri system is designed to be incredibly versatile and adaptable to different environments. It can support up to 8 broadcast streams, ensuring that multiple announcements can be made simultaneously.
One of the standout features of the Auri system is its ability to work seamlessly with any Auracast BLE standard receiver, making it a great choice for consumer devices.
The system also supports multiple languages, allowing you to cater to a diverse range of passengers. This is particularly useful for international travel or large events.
Auri Manager Software is a powerful tool that simplifies the configuration and management of the Auri system. With automatic device discovery, it supports everything from single-device setup to large system programming.

Here are some key features of the Auri system at a glance:
- Compatible with any Auracast BLE standard receiver
- Multi-language support
- Support for up to 8 concurrent Auracast broadcast streams
- Not sensitive to Auracast broadcasts of neighboring trains
- Dynamic broadcast name (Auracast stream ID visible to passengers)
- One consistent broadcast network across multiple cars
The Auri TX2N transmitter is a sleek and low-profile device that's designed for professional installations. It features a discreet logo, multicolor status indicator, and side-mounted balanced analog mic/line inputs, supporting mono, stereo, or dual mono configurations.
This transmitter also includes a balanced line output and USB-C for optional power, making it a great choice for a variety of applications.
Frequently Asked Questions
How to transmit Auracast?
To transmit Auracast, go to Settings > Connections > Bluetooth, then tap More options and select Broadcast sound using Auracast. From there, you can customize and start your broadcast.
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