Soundwave Sontro OTC Hearing Aids: Average Performance, Decent Price

After testing a large bulk of the available OTC hearing aids over the last year plus, I believe models powered by single-use batteries are, well, stupid, especially with the wealth of rechargeable alternatives now available. Tiny hearing aid batteries are awkward to swap, and the ongoing replacement cost soon makes up for any savings in the original device price. It’s hard to imagine many OTC hearing aid vendors continuing to make or sell single-use battery models for very long.

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About Stewart Wolpin

I have been writing about consumer electronics for four decades, including news, reviews, analysis and history for a wide variety of consumer, niche and trade outlets. For the Consumer Technology Association (CTA), I annually update the industry's history and write the official biographies of the CTA Hall of Fame inductees. Aside from writing about consumer technology for a variety of consumer, tech and trade publications, I write a blog and do market research for Digital Technology Consulting. In the non-tech world, I have written "Bums No More: The Championship Season of the 1955 Brooklyn Dodgers" and "The Rules of Neighborhood Poker According to Hoyle." Check out my work at
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