The Edifier Stax Spirit S3 is a pair of wireless over-ear headphones that utilize planar magnetic drivers to deliver high-quality audio. They are part of the STAX SPIRIT product line, which embodies the spirit of craftsmanship of STAX, a company acquired by Edifier in 2011. The S3 model is notable for its industry-leading planar magnetic driver, which provides cleaner sound, greater resolution, and better imaging, similar to true professional recording powered by proprietary audio systems.

• Key Features:

  • 70 x 89mm planar magnetic drivers
  • Up to 80 hours of battery life
  • Bluetooth 5.2 connectivity with support for aptX Adaptive and aptX HD
  • No active noise cancellation, but offers good passive noise isolation
  • Foldable design for portability
  • Comes with spare earpads and a 3.5mm to 6.35mm adapter for wired connection

• Sound Quality and Technicalities:

  • The Edifier Stax Spirit S3 is praised for its balanced sound signature, with good technicalities and a detailed, analytical sound.
  • It uses Audeze’s Fluxor magnetic structure, Uniforce diaphragm, and Fazor phase management technologies, which contribute to its accurate and immersive sound reproduction.
  • The headphones support various Bluetooth codecs, including aptX Adaptive and aptX HD, ensuring high-quality wireless audio.

• Design and Comfort:

  • The S3 has a compact and lightweight design, making it suitable for travel and everyday use.
  • The earpads and headband are extremely soft and forgiving, providing comfort during extended listening sessions.
  • The headphones come with two types of earpads, allowing users to swap them out to prefer their sound signature.

• Pros and Cons:

  • Pros: superb battery life, fast charging capability, balanced sound, good technicalities, and supports various Bluetooth codecs.
  • Cons: EQ modes are fixed and not adjustable, build quality could be improved, and the headphone needs to be powered on to use in wired mode.