Edifier Stax Spirit S3 Planar Headphones Sound Amazing but Lack Features

Edifier Stax Spirit S3

Edifier’s Stax Spirit S3 planar headphones provide exceptional sound by doing things differently than more traditional ones. Instead of using cone-shaped speakers in each earcup, these planar headphones use magnets on either side of a thin diaphragm to produce sound. The result is crisp, even sounds across a wider frequency range with more distinct separation. The clarity is remarkable.

While music and audio sound exceptional, there are some trade-offs. This technology isn’t new, but it is more expensive compared to using traditional dynamic drivers. Plus some people don’t like the enhanced clarity that is offered. It’s a little like the debate between whether a vinyl record or CD playing the same song sounds better.

Edifier Stax Spirit S3 retail for approximately $399, and they are priced affordably for planar headphones. While the audio is excellent, some of the design choices and the lack of certain features won’t make these headphones a slam dunk for everyone. Still, anyone wanting to sink into their music and considering splurging on premium headphones should have these on their list.



  • Excellent audio quality
  • Cooling mesh gel ear pads feel wonderful
  • Extremely long battery life


  • Buttons and parts of the frame feel a little flimsy
  • Lack of ear detection and other premium features is unfortunate

Buy at Edifier.

What Are Planar Headphones?

Stax Spirit S3 are priced the way they are because of the type of technology they use. So why are planar headphones special or different? In very simple terms, an electrically charged diaphragm, sandwiched between two magnets, creates sound waves when it moves in its magnetic field. More important, though, are the benefits this delivers, such as less audio distortion and more sonic range.

Edifier says its new diaphragm technology combines three notable parts including “the Audeze Fluxor magnetic structure, Uniforce diaphragm and Fazor phase management” to accurately reproduce sound. Don’t worry if those terms don’t hold much meaning. They’re worth mentioning because Edifier’s working with Audeze is an important detail that will bolster legitimacy for these headphones for some people.

Stax Spirit S3 Features

The Edifier Stax Spirit S3 headphones come with two pairs of ear pads, including ones of cooling mesh gel, which I found to be the most comfortable.

A few details about the headphones before getting back to their sound. Stax Spirit S3 features an incredible 80 hours of battery life. Plus charging them…

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