Nov 02, 2021 · The Beyerdynamic Amiron Wireless has an impedance of 32Ω when wired, so an amp isn’t necessary with them. Even the HiFiMan HE400i (35Ω), our bang-for-your-buck pick as the best headphones under $1,000, should be fine without an amp. Of course, if you read the full explainer, you know that impedance is only half the equation.
Get Price