Edifier STAX Spirit S3 Wireless Planar Magnetic Headphone - Planar

In this review of the Edifier STAX Spirit S3, the bottom line is simple: audiophiles who want wireless HiRes detail with extended frequency response will find a compelling option here. The S3 pairs large planar magnetic drivers with Snapdragon Sound Bluetooth to deliver a noticeably clean, resolving presentation that reveals microdetail and wide soundstage cues. It is not flawless - some users report connectivity and build concerns - but for listeners prioritizing pure, detailed playback and long battery life, the S3 offers a unique blend of planar advantages in a portable wireless package.

Key Features

• Planar magnetic drivers: The large planar drivers produce cleaner, more precise sound and improved imaging compared with ordinary dynamic drivers, so recordings sound closer to the original studio intent.
• Wide frequency range: An ultra-wide response that extends up to 40 kHz preserves high-frequency detail for HiRes material and makes instruments and ambience more transparent.
• Snapdragon Sound over Bluetooth: The QCC5141 Snapdragon Sound implementation supports up to 24bit/96kHz playback and low latency for clearer wireless HiFi listening.
• Long battery life: Lightweight construction and efficient electronics provide extensive playtime so users can listen for extended sessions without frequent recharging.
• Comfort and build: Carbon-fiber parts, lamb leather headband and hand-crafted earpads aim to deliver all-day comfort and a foldable design for travel.
• App control: The Edifier Connect App exposes STAX sound effects, EQ and low-latency game modes for customization and tuning.

Who It's For

The STAX Spirit S3 is aimed at serious listeners and home studio users who want the resolving character of planar magnetic drivers in a wireless, foldable headphone. It suits people who play high-resolution files or use devices that support aptX HD or Snapdragon Sound to get the most from the S3's audiophile-focused tuning.

Those who want ultrarugged construction or perfectly stable Bluetooth in every environment should look elsewhere; a minority of users have reported connection dropouts and creaking plastic, so buyers who prioritize rock-solid wireless performance above sound quality may prefer other models.

Pros & Cons

Pros

• Exceptional detail and imaging thanks to planar magnetic drivers that reveal fine recording textures.
• Support for Snapdragon Sound and high-resolution Bluetooth codecs for improved wireless fidelity.
• Comfort-oriented design with lamb leather headband, hand-crafted earpads and a foldable frame for travel.
• Long battery life suitable for extended listening sessions and travel use.

Cons

• Some users report occasional Bluetooth disconnections, so wireless reliability can vary by environment and source device.
• Build quality reports are mixed - a few customers noted creaking plastic or broken units, so durability may not match premium-price expectations for all buyers.

Specifications

Driver type	Planar magnetic
Driver size	Approximately 89mm x 70mm
Bluetooth version	V5.2 with Snapdragon Sound
Audio codecs	SBC, aptX, aptX HD, aptX adaptive, Snapdragon Sound
Frequency response	20 Hz to 40 kHz
Microphone	Built-in mic with QCC5141 processing for clear calls
Warranty	One year

Our Verdict

The STAX Spirit S3 is a strong choice for listeners who value detailed, lifelike sound and wireless HiRes capability; its planar drivers and Snapdragon Sound support deliver a distinct audiophile character and flexible app tuning. If you need absolute wireless stability or the most rugged industrial build, consider alternatives, but for resolving playback, comfort and long battery life the S3 represents good value for its target audience.

Frequently Asked Questions

Does the S3 support high-resolution wireless audio?
The S3 supports Snapdragon Sound and aptX HD/aptX adaptive for up to 24bit/96kHz wireless playback when paired with compatible sources.

Are these suitable for all-day use?
Yes - the lightweight carbon-fiber construction, lamb leather headband and hand-crafted earpads are designed for extended comfort and long battery life for all-day listening.

Is the Bluetooth connection reliable?
Many users experience stable connections, but some customers have reported occasional disconnections, so performance can vary with device and environment.