Headphone Output Power into 600 Ohms
This rating states continuous headphone output power per channel into a 600-ohm load.
Power is expressed in milliwatts or watts; 1,000 mW equals 1 W. The load, output socket and distortion limit belong to the rating and should remain attached to the number.
Headphone Output Power into 600 Ohms — Headphone Amp
For a headphone amplifier, the 600-ohm rating describes its electrical output under that load condition. High-impedance loads generally require more voltage to receive the same power than lower-impedance loads. Headphone sensitivity is also needed to relate electrical power to acoustic level.
Compare continuous per-channel figures at 600 ohms using the same output type and similar test frequency and distortion limits. Do not substitute a rating at another impedance or add two channel ratings into one. Peak or burst output is a different measurement.