The Biz: Asahi-Kasei and ESSTech go to war over mobile superiority

There's no question that, over the past three years, ESSTech has completely dominated the premium portable digital audio segment. The fab-less circuit design firm kicked things off in 2014 with the introduction of the now-ubiquitous ES9018-2M, a mobile-minded DAC chip designed as a two-channel die shrink of the venerated 8-channel ES9018S (itself the evolved production …

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iFi Audio iEMatch

Editor's Note: iFi Audio provided the iEMatch free of charge for the review What is the iEMatch and why would you need one? iFi Audio markets the iEMatch as a tool to eliminate hiss, restore dynamic range and give you more volume headroom --- sounds pretty simple but in the world of in-ear monitors, and in …