Active speaker set with 10'' dual bass drivers each, USB/SD slots and microphone inputs. Features one active and one passive speaker. The Fenton SPB-210 active speaker set features an active and passive speaker that, in combination with one another, are perfect for trade fairs, mobile DJs or marketing presentations. Alongside its two independent microphone inputs, the PA system features USB and SD/MMC connections for playback of MP3s from USB, SD and MMC storage devices such as USB sticks and MP3 players. In addition, the speaker system can be connected to CD players, laptops and other audio devices via its stereo RCA input. Both speakers feature two piezo tweeters and two 10'' (25cm) bass drivers for well-rounded and natural sound characteristics. This way, you can deliver your audience a clear, great quality sound. The side carrying handles make easy work of transporting from A to B and back again.