Impedance is measured in ohms (Ω) and shows how hard the headphones are to drive for your audio source.
Why impedance matters
- If headset impedance is much lower than your device's output impedance, damping is reduced. This can change the sound (especially the bass) and may introduce distortion.
- If headset impedance is much higher than what the device can drive, audio can be quiet, unclear, or undefined – this is common with some mobile devices.
Typical ranges (guide only)
- 16–64 Ω – In-ear and small portable headphones. Usually easy to drive from phones and tablets.
- ~120 Ω – Often usable on portable players without an extra amplifier, but may benefit from one for higher volume or better sound.
- 150–300 Ω – High-end and studio headphones. These typically sound best with a dedicated headphone amplifier.
What this means for you
- If you mostly listen on a phone or portable player, lower-impedance headphones (16–64 Ω) are generally a good match.
- If you own high-impedance headphones (150–300 Ω), a dedicated headphone amplifier can improve volume and sound quality.
- Always check the exact specs for your headphones and source, as results vary by model.
Quick tips
- If you notice low volume or muffled sound on your mobile device, consider a lower-impedance pair or add a small portable amp.
- If you hear distortion or buzzing at normal listening levels, your headphones may be overdriven by the device. Using higher-impedance headphones on this player is advised.