T50 Transmitter 4.0 is a wireless transmitter that connects to an audio source such as a TV. It transmits sound to hearing aids or wireless headphones via the X40 Transceiver 4.0. When T50 Transmitter 4.0 detects an audio signal, it forwards the sound. It stops transmitting when the signal disappears.
| The following specifications may only comply to some variants. |
| Wireless connection for external device |
| Connection to external equipment via jack stick |