A separate headphone amp with a built-in USB digital-to-analog converter (DAC) lets you use wired headphones with all of your mobile devices. We recommend the Fosi Audio DS1 because of its ...

The Bass Bump Headphone Amp is no exception ... The amplifier can be powered from either a 9V rechargeable battery, or a USB port. It’s a simple build, but definitely a good one to try on ...

A portable DAC/amp is a great way to give your smartphone or laptop an audio upgrade. This one packs the power of an analog ...

To really understand the difference between USB and 3.5 mm audio connection types, we need to dissect a few of the basic ...

The compact little USB DAC has two selectable amps you can switch between and ... You've got 4.4mm balanced output or 3.5mm headphones connections to make the most of everything here, so it ...

This EarMen Sparrow review is looking a truly tiny little USB-C DAC/headphone amplifier. It’s designed to take away all the arduous digital-to-analogue conversion your digital audio files need ...

The latter is pretty neat as it essentially makes your wired headphones, wireless. When connected via USB-C (aka “dongle mode”), the little amp can play the highest-quality audio — it supports PCM ...

Now iFi Audio is launching the ZEN CAN 3, a high-performance headphone amplifier with an xMEMS micro ... function as a traditional wired DAC using USB-C or S/PDIF inputs. The iFi ZEN Blue 3 ...