[NotionSunday] put together a hearing amplifier project that probably doesn’t hit many of those design criteria. However, thanks to a 3D printed case, it looks pretty good. The device uses a ...

Our slim and lightweight hearing amplifiers blend seamlessly with your lifestyle. Their invisible design ensures they go unnoticed, while their ergonomic fit guarantees long-lasting comfort.

The impedance ended up close to 8 ohms, perfect for feeding directly from the speaker terminals of an old stereo amplifier. Pumping 160 Watts into the coil allows the hearing-aid wearers below ...

Otofonix In 2009, the FDA created a class of electronic devices called Personal Sound Amplification Products (PSAPs). These devices “are intended to amplify environmental sound for non-hearing ...