McMaster Students Launch Amano, a Battery-Free 3D-Printed Hearing Aid Startup

A group of students at McMaster University has founded Amano, a startup building a low-cost, over-the-counter hearing aid that runs without batteries.

According to Assistive Technology Blog, the device is mechanical rather than electronic, and it's produced using 3D printing. That combination is the core of Amano's pitch: cut out the cost and complexity that keep so many people from getting hearing help in the first place.

Why Battery-Free Matters

Traditional hearing aids depend on tiny batteries that need regular replacement, add ongoing cost, and can be a barrier for users who struggle with fine motor tasks or live in areas where batteries aren't easy to find. A mechanical, battery-free design sidesteps all of that.

It also fits into the growing over-the-counter hearing aid category, where the goal is getting devices into people's hands without the price tag or the appointment backlog that comes with traditional audiology channels.

Tackling Cost and Stigma Together

Amano's founders are framing this as a two-front problem. Cost is one barrier. Stigma is the other.

Many people who could benefit from a hearing aid avoid getting one because of how it looks or what wearing one signals to others. A 3D-printed, mechanical device built with affordability and design in mind is meant to chip away at both problems at once, according to the source material.

A Student-Led Project With Real Ambitions

Amano started as a student venture out of McMaster, which puts it in the company of a growing number of university-born assistive technology projects aiming to solve access problems that established manufacturers have been slow to address.

Details on pricing, timeline, or availability were not included in the original report. Voice of the Blind will continue following Amano as more information becomes public.