Optoma NuForce HEM8 earphones measurements can be found by clicking this link.
August 2016
How many drivers do earphones really need? I’ve heard models with as many as eight per ear. I’ve also heard excellent earphones that have just one driver per ear. With their HEM earphone models, Optoma NuForce lets you decide. You can get the single-driver HEM2s ($119 USD), the two-driver HEM4s ($299), the three-driver HEM6s ($399), or the four-driver HEM8s ($499). All share the same enclosure shape and features. When NuForce asked which I wanted to review, I opted for the top-of-the-line HEM8s.
I hadn’t heard much about Acoustic Research in a long time, though the name was very familiar. When I was in college, every other student who was on a budget but appreciated great sound had Acoustic Research AR-3 bookshelf speakers. These used an acoustic-suspension design that produced amazing amounts of bass from a small box. Then AR produced an affordable ($78!), high-quality turntable, the AR-1 -- a belt-driven design that greatly reduced acoustic feedback. Since then, AR speakers and turntables have only appreciated in value, as collectors continue to seek them out.
