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Playing to the e38 via USB or via the Sigma Streamer was fine, the sounds of the two approaches identical—just as they should be. The Sigma Streamer is easy to use and completely functional as a network link for the exaSound DACs
Another "no gainsaying" moment here: DSD in surround via this system was exceptional, and demonstrated why a fine surround sound system is attainable, with music being supplied by companies like NativeDSD.com in increasing numbers.
Stereophile, one of the most prestigious printed magazines for audiophiles has published the 2018 Fall Edition Recommended Components List. The exaSound e38 DAC is listed as an A+ product and the PlayPoint is listed as Class A Media Player
Occasionally, one makes an improvement in their audio system that is monumental....The sound field has become immense, and detailed. You can pinpoint individual instruments and their positions in the orchestra. The sound field has also expanded off to the sides beyond the speakers themselves...This is the most “musical” reproduction that I’ve ever heard.