There are a couple of reasons I suspect it's taken this long to see a vacuum tube in a pair of headphones. Tubes are hungry ...

FiiO is a rising star in the world of digital audio. The company is launching three products at this year's CES and promises to set new price and performance benchmarks.

The FiiO K17 is a headphone amplifier that is designed to provide comprehensive features for headphone fans. The K17 provides custom PEQ (Parametric Equalizer) settings (carried over from the FiiO ...

with a popular choice being headphone amplifiers that use a tube as a gain stage followed by an op-amp as a buffer with a low impedance output. This forms the basis of [Ratti3]’s amplifier, but ...

The HiFiMAN SERENADE Wireless DAC/Headphone Amplifier offers lossless streaming over Wi-Fi for $200 less than its predecessor. From Dr. Fang Bian, President and CEO, HIFIMAN Electronics: “The addition ...

On the inside, the M18i benefits from a dual ESS ES9219Q DAC — one for each headphone output. The output signals are then processed through both a preamp and an amplification stage (powered by ...