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This minuscule pocket amp (2.5 by 1 by 0.6 inches, and just 1 ounce) has full, warm, and accurate sound quality. We were disappointed by battery life—the one triple-A lasted only 7 to 9 hours—and the music quality degraded before the power light indicated that the battery was going. For a mobile listener, though, this is the best choice.
Matthew D. Sarrel, CISSP, is executive director of Sarrel Group, a technical marketing consultancy. He is also a technical marketing consultant and technical writer. To read his opinions on games please browse http://games.mattsarrel.com and for more general information on Matt, please see http://www.mattsarrel.com.