Audiophilepure

http://goo.gl/KIxWN1 Read Here

“This weakness isn’t absolute; it’s relative to what can be achieved with even the most modest of wall-socket-powered headphone amplifiers. However, with all but MrSpeakers’ modded-Fostex being open backed, we’re back to discussing the limitations of this type of headphone for use in the office or on public transport.”

http://goo.gl/dikAhH Read Here

” Dual DACs in the newbie feed a balanced circuit that terminates in either 3.5mm unbalanced or 2.5mm balanced TRSS sockets. The latter’s inclusion might be reason enough for fans of balanced-wired headphones to upgrade. In launching their own XLR-terminated balanced cable at this year’s RMAF, Astell&Kern clearly aren’t treating this as a nice-to-have extra. They’re evidently serious about their new models’ deployment as a high-quality source for two-channel operations.”