Around 80 hours for music play and a short 10-minute charge giving 11 hours playtime.

Industry-leading Planar Magnetic Driver bringing Hi-Res certified audio with cleaner sound, greater resolution, better imaging, as same as true professional recording powered by proprietary audio system.

Most advanced Micro processing system, making telephone communication like face-to-face communication.

Enable a variety of advanced functionality-customized EQ setting, control setting, cushion setting, etc.

The lightest weighted over-ear planar headphones for all day use, and an additional set cooling-mesh ear-cushion for on-the-go or traveling use.

Seeking the Truest Expression of Sound
STAX SPIRIT embodies the spirit of craftsmanship of STAX to produce state-of-the-art Audio products. S3 is the first in a series of high-end headphones under the STAX SPIRIT product line of Edifier.

An Audiophile-Grade Audio Experience
STAX SPIRIT S3 are Edifier's flagship headphones created without compromise for stunning Hi-Res audio.

Hi-Res Audio and Qualcomm® Snapdragon Sound™
The innovative audio engineering incorporates leading audio technologies and premium components. The planar magnetic drivers produce a cleaner sound with greater resolution and better imaging that's true to professional audio recordings. The ultra-wide frequency range extends from 10Hz to 40kHz so you hear even more than before.

Qualcomm® aptX™ Voice Crystal Clear Call Guaranteed
The Qualcomm® aptX™ Voice audio technology largely improves the signal-to-noise ratio, delivering 32 kHz voice call quality.

80 Hours of Ultra-Long Playback
Powerful and efficient playback. A 10-minute fast charge supports 11 hours of listening.

Ultra-Low Distortion Planar Magnetic Drivers
Compared to traditional dynamic driver headphones in the market, the STAX SPIRIT S3 comes with advanced planar magnetic drivers that lower audio distortions and wider dynamic responses.

Engineered for Extreme Accuracy
The all-new Edifier EqualMass™ diaphragm technology combines trusted and iconic components, including the Audeze® Fluxor™ magnetic structure, Uniforce™ diaphragm, and Fazor™ phase management, accurately reproduce the original sound.

Uniforce™ Diaphragm 0.5% Imperceptible Distortion
The Uniforce™ technology is designed to achieve and deliver uniform driving force to produce unparalleled acoustic details and accuracy with the distortion to imperceptible 0.5%.

Higher Definition and Wider Frequency Response
The Audeze Fluxor™ magnetic structure technology and customized neodymium magnet produce double the flux density of traditional magnets and provides unparalleled efficiency.

Fazor™ Phase Management
How It's Meant to Sound
With Fazor™, sound waves generated by planar magnetic diaphragms pass through magnetic structures without disturbance, preserving timing details in the recorded signal. This ultimately results in cleaner sound, greater resolution, and better imaging.

Multi-Point Connectivity
Seamless source switching for your music, games, and phone calls.

Expanded Audio Experience:
Get even more from your listening with the Edifier Connect App. Access the 'Classic,' 'Hi-Fi,' and 'STAX' EQ modes for varied sound experiences. Switch to gaming mode for low-latency audio. Customize many other settings to suit your needs.

All-Day Comfort:
An ultra-light and durable carbon fiber casing with fully foldable hinges makes wear and carry easy. The genuine lamb leather headband & earpads offer a touch of luxury. Alternative cooling mesh gel earpads are also included.

Connect Any Way You Want
In addition to the Bluetooth 5.2 connection, the STAX SPIRIT S3 also comes with an Aux-in cable and a 3.5mm to 6.35 adaptor for wired connection.

In 2012, Edifier acquired STAX Ltd., a company with a history of more than 80 years and a persistent pursuit of Hi-Fi and Hi-Res audio reproduction. It has always focused on electrostatic technology and has almost become synonymous with electrostatic headphones.

Audeze LLC is the California-based high-end audio manufacturer delivering the most accurate sound reproduction available today. Audeze products, engineered with the latest innovations in materials science and technology, are built with precision craftsmanship. This has earned Audeze the distinction of being the world's best-reviewed headphone brand. At the foundation of Audeze's award-winning audiophile sound is their cutting-edge planar magnetic technology that creates an accurate, distortion-free, immersive sound. Fluxor™, Fazor™, and Uniforce™ are patented Audeze technologies licensed to Edifier for STAX SPIRIT S3.