M-Audio Studiophile AV 30 Speakers deliver clear, crisp highs and deep lows, along with superior clarity and 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 and more. The speakers include audiophile-grade amplifier architecture as well as RCA inputs, making them compatible with practically all professional and consumer audio products. ** This new version is NOT switchable between 110v and 220v,