Network music servers perform several distinct functions—acquiring and storing digital-audio files, managing and selecting what you want to listen to, streaming those files over a wired and/or wireless network, and receiving those files so the music can be played on a sound system. Most music-server products provide all these functions in an integrated system, but Scottish high-end long-timer Linn has taken a different approach. It's Digital Stream players, including the flagship Klimax DS, are strictly client devices that receive audio streams from the network and play them on any sound system.