The SonaVERSE 02 USB-Powered Speakers with Dual Side-Firing Passive Woofers from GOgroove is a 2.0-channel powered speaker system ideal for laptop or desktop computer setups. The system features front-loaded speaker drivers with dual side-firing passive woofers enhanced with SonusMAX audio technology. A 3.5mm audio input allows you to play music from a computer or other audio devices like MP3 players, tablets or smartphones. The speakers are powered through USB by your computer, so no external power is needed. Meanwhile, rear-loaded volume controls make it easy to adjust your sound. Each speaker features a polished metal speaker mesh for aesthetic appeal.