Once upon a time, the mighty boombox was a staple of audio on the go, a pulsating packageĀ of portable partying. When the iPod became a huge hit, a number of battery-powered docking speakers arrived to amplify its ...

Mass Fidelity’s Core is a paradox — a portable speaker that’s designed to produce a convincing stereo effect from virtually anywhere in the room. Actually, that’s true of multiple rooms as ...