Logitech Z407 Bluetooth Computer Speakers with Subwoofer and Wireless ControlDive into great sound wirelessly. 80 watts of power joins precise digital signal processing (DSP) to deliver immersive, lifelike sound. Hear the crisp high notes, the powerful mid and low range, and all the bass you can handle. The wireless control dial and dual position speakers let you control your sound and style. Adjust bass and volume from across the room. Position speakers horizontally or vertically. Connect via Bluetooth, micro USB, 0. 14 in