They're also generally larger and heavier. Planar magnetic headphones are a bit niche but have found a home in audiophilia.
If you have an Android smartphone with Snapdragon Sound and you want to try wireless earbuds with planar magnetic technology, it has to be the Edifier STAX Spirit S10.
At $199, iFi improves its hip-dac 3 portable DAC/AMP with new Stealth Edition but it's only available through Gramophone.