8 in. white polypropylene cone, 1 in. dome tweeter., The new HS Series powered monitors were designed to be true studio reference monitors in the tradition of the famous NS10Ms. When choosing your next pair of near field reference monitors, remember it's not just important that they sound good; they have to be an honest reference for your mix. The new HS Series of reference monitors were designed to give you exceptionally flat response so you can really trust what you hear. That means that mixes that sound good on Yamaha HS speakers will sound good on anything. In fact, that's the ultimate test of a reference monitor. Even better than that, HS series speakers not only sound good, they look great, too.