Hearing Aids Are Leaving the Ear Canal

For decades, the hearing aid has looked more or less the same: a small device tucked into the ear canal, tied to doctors' offices, multi-thousand-dollar bills, and a stigma strong enough that most people who could use one never try it. That shape is starting to change. On October 1, a Boston startup called Legato began selling glasses with AI-powered hearing assistance built into the frames, and Meta is preparing to turn its smart glasses into FDA-cleared over-the-counter hearing aids through a software feature. The ear canal may soon be the least interesting place to put a hearing aid.

This is a form-factor moment, not a single product launch. The new hearing glasses keep the ear open, hide the electronics in the temples, and shrink the fitting process to a guided test in a phone app. Behind them sits a 2022 FDA rule that created the over-the-counter hearing aid category. The biggest consumer tech companies are now walking through the door it opened.

Why glasses are winning the adoption argument

The strongest case for hearing glasses is not engineering. It is adoption. More than 1.5 billion people worldwide live with hearing loss, and in the United States alone an estimated 50 million adults have recognized hearing loss, yet roughly 80 percent of those who could benefit from hearing aids do not use them. The reasons most often cited are cost, comfort, and stigma: nobody wants to look like they are wearing a medical device.

Eyewear gets around that in a way no miniaturization of earbuds ever could. Legato's founders saw this gap up close. Mehul Trivedi led the creation of Bose Frames and later ran smart eyewear efforts at EssilorLuxottica, working on the Meta Ray-Ban glasses, while Steve Romine ran Bose's hearing aid division and later served as COO of hearing care company Audicus. The pair founded Legato in 2024, emerged from stealth in September 2026 with $12 million in funding from Neotribe Ventures, Listen, and Village Global, and put Legato Frames on sale October 1 starting at $999.

There is a medical argument too. A meta-analysis of more than 126,000 people across eight long-term studies, cited in the 2024 Lancet Commission report on dementia, found that people with hearing loss who used a hearing device had nearly a 20 percent lower risk of cognitive decline and a 17 percent lower risk of dementia. Anything that gets more people to actually wear the device matters for reasons well beyond convenience.

The engineering of hearing through eyewear

The core trick of hearing glasses is getting sound to only the wearer's ear. Legato Frames use open-ear speakers built into the temples, which leaves the ear canal completely unblocked, but open-ear designs have an obvious problem: they broadcast audio to everyone nearby. Legato's answer is a dual-speaker system that directs sound toward the wearer while canceling escaping sound, cutting leakage by 99 percent just a few inches away. The frames weigh 34 grams with lenses, run 10 to 12 hours on a charge, stream music and calls over Bluetooth, and accept prescription lenses. All audio processing happens on the glasses themselves, with no cameras and no recording.

The processing itself is the differentiator. Traditional hearing aids lean on directional microphones that favor sound from one direction and can struggle in noisy environments. Legato's SpeechSense system instead uses AI to separate voices from background noise, amplifying speech while suppressing the rest.

Meta is taking the software-first route. Its Hearing Enhancement feature, announced at Meta Connect on September 23, starts with a guided hearing test inside a phone app, then tunes amplification to the user's individual results. The underlying software, called Hearing Assist, was cleared by the FDA on July 13 through the 510(k) pathway, which compares a device to an already-marketed equivalent. Meta's chosen comparison was Apple's Hearing Aid Feature for AirPods Pro 2, cleared in 2024. The key hardware difference: Apple's system sits in the ear canal, while Meta's amplifies sound through the glasses' speakers, which sit outside it. The FDA's review found no new safety or efficacy questions in that difference.

The clinical evidence Meta submitted is unusually transparent for consumer tech. In a study of 142 adults across three U.S. sites, people who set the software up themselves did no worse than those fitted by a licensed hearing care professional, and users saw an average 4.8-decibel signal-to-noise benefit in speech-in-noise testing. Five participants reported six mild, temporary side effects, most commonly headache, and there were no serious device-related events.

The strongest argument for hearing glasses is not the engineering. It is that people might actually wear them.

The regulatory unlock behind it all

None of this happens without the FDA's 2022 rule creating over-the-counter hearing aids. Before that rule, hearing aids effectively required a prescription and a clinic visit, which kept prices high and innovation slow. The OTC category lets adults with perceived mild-to-moderate hearing loss buy devices directly, and it turned hearing help into a consumer electronics problem.

Apple went first, turning the AirPods Pro 2 into an FDA-cleared hearing aid in 2024. Meta followed with software rather than earbuds. Samsung is expected to add a hearing aid feature to its Galaxy Buds late in 2026. Each is a mainstream device people already own or want, with hearing assistance added as software. The hearing aid industry spent a century selling dedicated devices; it is now being absorbed into platforms.

What still has to be proven

Plenty remains unproven. Legato's glasses are rolling out to select eye care clinics through the end of the year, and their long-term comfort, battery consistency, and performance in genuinely loud environments will be judged by users, not launch announcements. The independent HearAdvisor lab awarded the frames a 4.6 out of 5 SoundScore in May testing, but real-world speech-in-noise performance is still the thing to watch.

Meta's timeline is fuzzier. The company has not published a full list of compatible frames or a launch date; the feature is expected in the United States later this year for $149.99 as a one-time add-on or bundled with a Meta One subscription, with a 30-day trial available. Reports indicate Ray-Ban models are not in the initial rollout, so buyers should confirm compatibility before purchasing glasses for hearing aid use. The companion app currently runs on iOS, with Android support planned. And the FDA clearance covers only mild-to-moderate loss in adults: anyone with sudden, one-sided, or severe symptoms still needs a proper hearing test.

Pricing is the other open question. Legato starts at $999 and is eligible for vision insurance coverage through eye care providers; Meta's $149.99 add-on is eligible for HSA and FSA reimbursement. Both undercut traditional prescription hearing aids, which commonly run from $1,000 to $8,000 a pair, but coverage behavior around the new form factors is still being worked out.

Zoom out and the pattern is clear: hearing assistance is becoming a feature of something you already wear, not a device you have to admit to needing. The 80 percent of Americans who have skipped hearing aids have been telling the industry what the problem was for years. Somebody finally listened.