3 composite woofers for punchy bass threequarters ferrofluid-cooled silk dome tweeters for clear crisp highs Opt Image III tweeter wave guides for superior stereo imaging 15-watt-per-channel amplifier RCA inputs Weight 4.3kg 3.5mm headphone output 3.5mm stereo auxiliary input Front-panel controls for volume & onoff Bass boost control Dense wood cabinet with bass reflex port design Magnetic shielding for desktop use The Studiophile AV 30 compact powered speakers make it easy to enjoy full rich sound even when space is limited. Theyre designed with the same critically acclaimed technology that has made M-Audio monitors popular in recording studios around the world. The Studiophile AV 30 speakers deliver clear crisp highs & deep lows along with superior clarity & imaging. Designed for the traveling musician or multimedia enthusiast the Studiophile AV 30 system is the perfect audio upgrade for desktop production systems portable video games personal DVD players & more.