Here’s how it works. You see, headphone amplifiers boast performance-first audio circuitry and have been designed primarily to do one thing: squeeze every ounce of ability out of the headphones ...

There are plenty of tube amplifiers now being manufactured, 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 ...

Headphones aren’t all created equal, especially headphones for audiophiles. Like sports cars, there are different tiers, ...

The HT voltage is a relatively low 24 V, but it still manages to drive headphones acceptably. Speaker levels require a pre-amp, but even then it’s likely that this circuit is pushing the tube ...

The front of the Zen Can 3 is bristling with controls for getting the absolute best sound out of ... [+] this superb little headphone amplifier. The build quality of the Zen Can 3 is exceptional ...

We’ve tested thousands of headphones and earbuds—and these are the best ones to buy on sale this Cyber Monday.