Portable USB headphone amps

Recent Android smartphones have USB audio onboard.
Connect a USB DAC/Headphone amp if the onboard audio of the smartphone is not up to your taste. Today more and more smart phone brands are dropping the 3.5 audio jack.

If you don't like Bluetooth audio, get a dongle.

Today it is USB-C, check USB-C dongles here.




PCM and DSD capable USB DAC

63.5mm (2.5in) long, by 31.7mm (1.25in) wide and 19mm (0.75in) high.