Traveling-wave parametric amplifiers (TWPAs) are electronic devices that boost weak microwave signals (i.e., electromagnetic ...

The California-based hi-fi company just made its popular, affordable desktop amp even better.

You could argue that the integrated amplifier is arguably the most critical component in modern hi-fi. It combines a power amplifier, a built-in phono preamplifier (which you need to connect a ...

Our picks for the best dedicated headphone amplifiers for audiophiles includes Apos, Feliks Audio and STAX.

But this is mere carping. In reality, there has never been a better time to be a guitar player. Even bedroom strummers can ...

Guitar amplifiers have been evolving since the early 20th century and the Jazz Age when stringed instruments demanded extra volume to compete with brass sections and prominent drums. Many amplifier ...

FiiO’s $989 K17 is a feature-stuffed DAC amp with real power, a 31 band PEQ, streaming, and smooth neutral sound. One box to rule your desk and shame your dongles.

The Schiit Ragnarok 2 is the rare purist audiophile amp designed and built in the US. It's selling for $1,499. Ex-movie theater projectionist Steve Guttenberg has also worked as a high-end audio ...