• 
• 
• 
• 
• 
• 

NEW YORK — John Rochard doesn’t care about silly things like physics. Like any good blue-collar worker, he’s too busy clocking in his hours and grinding out a living to worry about Newton’s laws or gravitational pull.

That’s your job.

In Rochard...

I’ve just discovered where those voices in my head have been coming from.

The culprit is the Songbird Clear sound enhancement device I’ve been testing the past few days. It’s not a hearing aid per se. It’s a tiny sound amplifier that fits into your ear and looks like a hearing aid.

Hearing aids, which can cost thousands of dollars and require several trips to the doctor, can replace sounds the ear has lost, like high and low frequencies. The Songbird Clear, on the other hand, is sold over the counter at drugstores for about $120 and boosts sounds your ears are already capable of hearing. It...