6.5" polypropylene mica-filled woofer; 1" PEI dome; Wide Frequency Response: 45Hz - 40kHz

Yamaha's Two 3/4-Inch Full Range Driver Desktop Computer Speakers are not your ordinary small speaker system. They're tuned to deliver maximum performance from every type of digital device. The unique cabinet shape prevents internal sound loss and gives the best possible frequency response. Plus, a bass port in the front pushes sound straight out into the room, providing clear sound fields. The automatic loudness control adjusts bass output to match the volume. Simply connect your device to the Yamaha speakers for instantly bigger and better sound! And, with modern metal grilles and a unique design, this speaker system looks as stylish as it sounds. An ideal companion for your PC or Mac, these powered speakers also work great with iPad, iPhone, and Android devices.