Beyerdynamic A200p: Portable Digital Amplifier

Editor's Note: The Beyerdynamic A200p is a product adapted from and very similar to the Astell&Kern AK10. The two share very similar functionality and outward appearance. Disclaimer: I’d like to thank Beyerdynamic for loaning me the A200p for review.  The sample will be returned to Beyerdynamic following evaluation. The Beyerdynamic A200p is a very small DAC/Amp combo …

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DSD & Resonessence Labs’ Herus

Editor's Note: When Mr. T reviewed the Resonessence Labs Concero HP last year (review here), he was thoroughly impressed by its robust build and superlative sound quality, along with Resonessence's impressive technical service attributes. However, the Concero HP, being the size of a removable optical drive, was merely a transportable device, rather than a truly …

Resonessence Labs Concero HP: USB-Powered Tour-De-Force

Editor's Note: CYMBACAVUM was lucky enough to get a hold of the Resonessence Labs Concero HP; now Mr. T won't relinquish it. You'll have to pry it away from his cold, dead hands. There are audio companies and then there are audio companies. Resonessence Labs is the latter. You may have heard of Resonessence Labs …