From its sloping, domed glass to its 4.5-inch subwoofer, peeking out of the base like a turbine, the Harman Kardon Aura deserves to be seen. Yet it's more than an art exhibit: Thanks to a combo of six drivers pushing out shimmering, balanced audio, it deserves to be heard, too. So everyone can play DJ, the system supports equal-opportunity syncing, pairing via AirPlay, DLNA, and Bluetooth. [$400; harmankardon.com]