The description says its meant to pair with a smartphone but the specs list it at 60 ohms. Isn't that impedance a bit high for a smartphone? I always thought smartphones run 16-32 ohm headphones the best.

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SingingZach
4
Feb 21, 2021
These 60 ohm headphones from Koss work well with smartphones. My iPhone XR drives them just fine!
nwimpney
209
Jun 5, 2020
Well, it depends on a combination of impedance and sensitivity. These are reasonably sensitive, so they do work well on a phone. They would go louder if they were wound to 32 ohms, but IMO they're plenty loud on any portable device I've used them on already.