Review: High-res music player ups the audio ante

Associated Press
Review: High-res music player ups the audio ante

In this Monday, Dec. 17, 2012 photo, the Astell & Kern AK100, is displayed for a photographer in Atlanta. The Astell & Kern AK100 is a portable music player retailing for $699 and is capable of playing 24-bit, audiophile-quality digital music files. (AP Photo/John Bazemore)

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