https://www.humantechnik.com//en/products/tv-audio-listening-systems/earismax-the-system/earismax-bluetooth-transmitter
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The »earisMAX« Bluetooth® Auracast™ transmitter

The »earisMAX« Bluetooth® Auracast™ transmitter is designed to connect audio sources that do not have a Bluetooth® transmission function to Bluetooth®-enabled receivers (pairing with corresponding headphones or hearing aids).

To this end, the device integrates all current standard ports for connecting corresponding audio sources: Toslink input and output (looped through / passthrough)(digital), analogue input and output (looped through / passthrough), HDMI for connection to the audio return channel (ARC)(digital) of TV sets and microphone input for the integration of older TV models in order to be able to pick up their audio signals acoustically.


Connection variants

TV sets that are connected to a soundbar via Toslink: The »earisMAX« Bluetooth® Auracast™ transmitter is connected to the Toslink output of the TV set. The soundbar to the Toslink output of the »earisMAX« Bluetooth® Auracast™ transmitter. This means that both components, transmitter and soundbar, are permanently available in parallel and the TV sound can also be heard via the Bluetooth® receiver.

The same principle applies to the assignment of the audio connection as a link between the TV set and a soundbar.

 
Selection of the transmission options on the front of the »earisMAX« Bluetooth® Auracast™ transmitter:

  • Bluetooth® Classic (Bluetooth®-enabled hearing components, such as headphones or hearing aids: single-channel, pairing with only one receiver possible)

     
  • Bluetooth® LE audio (two-channel, left and right, pairing with only one receiver possible)

     
  • Bluetooth® Auracast™ (unlimited number of receivers possible)

 
Power supply for the »earisMAX« Bluetooth® Auracast™ transmitter

Power is supplied via the USB-C port of the connected device (use the USB port of the audio source if necessary). The Bluetooth® modes previously set on the transmitter are retained / saved in the device. Please note that no USB power supply unit is included in the scope of delivery. If required, the USB power supply unit A-5262-0 can be ordered, but most user households are likely to already have one - e.g. as a charger for a smartphone.

 

Auracast™ streams with password-protected access

Using the PC tool available for download on this page (Windows only), the Auracast stream generated can be encrypted with a password if required. The tool can also be used to set the transmission bit rate (24 / 48 bit) and, if necessary, to update the transmitter operating system. You will find the PC tool, the current system version and instructions on the left-hand side in the download area.
 

Specifications

Bluetooth® version 5.3 with LE Audio, Auracast™
BT SoC AB1565M
Latency < 45 ms (Auracast-Mode)
Bluetooth mode BIS, Classic, LE audio, Auracast™
Codec LC3, SBC
Profile support PBS, A2DP
Audio input SPDIF (Toslink), AUX (analogue audio input), MIC input, HDMI
Transmission power ≤10 dBm
Audio bypass (passthrough) SPDIF & line out
Operation range Up to 30 m
Buttons Power, Pairing, Mode switch, Audio source selection
DC input 5V w/o battery
LED indicators 6pcs: Power, Bluetooth, Auracast, SPDIF, AUX, MIC
OS supported Bluetooth / Windows
Width: 100 mm
Depth: 88 mm (with antenna)
Height: 20 mm (60 mm with upright antenna)
Weight: 90 g
Package contents: »earisMAX« Bluetooth® Auracast™ transmitter / audio connection cable with 3.5 mm stereo jack plug / Toslink cable / RCA adapter to 3.5 mm jack plug
»earisMAX« Bluetooth/Auracast transmitter

Your contact person: Serina Weiss: weiss@humantechnik.com / Phone: +49 7621-95689-13

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