Enhanced Astell&Kern’s own TERATON ALPHA sonic technology, the new portable amplifier is designed to deliver a more natural, spacious and distortion-free analog sound to premium headphones.

Advanced portable communication products require high-efficiency power amplifiers operating at low voltage. The size and weight of the portable units can be reduced markedly by decreasing the number ...

The beloved Spark line of amplifiers has grown exponentially in the last year, with Positive Grid launching everything from ...

There are any number of compact DAC/headphone amps ready to do the same job for ... and its size and weight make it beautifully portable. It’s not short of competition, though, and its ...

FiiO has announced the BTR17, a new portable headphone amplifier built around Qualcomm’s new flagship QCC5181 Bluetooth chip, which not only complies with the Bluetooth LE Audio standard and has ...