Pros Little to no sound distortion or interference One-size-fits-all for current iPods and iPhones; plus an AUX-in Crisp, clear audio presence at medium volumes Cons Isn’t actually “portable” with a 15-volt re...

Yamaha’s PDX-31 probably won’t knock your socks off when it boils down to sound quality, but in terms of design and simplicity it’s a home run in our book. Inside the box is a reinforced, dual wall “box-...