Select two headphones to compare their amplification requirements side by side.
How much amplifier do your headphones actually need? Pick from 316 models or enter specs by hand.
dB/mW or dB/V? Get both, and see why the difference wrecks most online calculators.
53 sources judged on power, output impedance and hiss at once. Filter by dongle, Bluetooth, player or desktop.
Will that amp hiss with your sensitive IEMs? The half of amp matching nobody calculates.