Guide

If you buy a high-end headphone like the Sennheiser HD 650 or a HiFiMAN Sundara and plug it into your computer, it might sound “weak.” The bass will be muddy, the soundstage will be cramped, and the volume will be underwhelming. You need an amplifier. Do I Need One? Not all headphones need an amplifier. If you have low-impedance, high-sensitivity headphones (like most IEMs), a small dongle DAC/Amp is enough. If you have high-impedance headphones (like the Sennheiser HD 600), you need an amplifier that can provide enough voltage. ...