Overview

The Edifier STAX Spirit S5 is a premium headphone featuring wireless planar magnetic drivers. It incorporates planar magnetic technology and EqualMass™ Technology for uniform driving force distribution. With Bluetooth 5.4 connectivity, it supports various codecs including Snapdragon Sound, LDAC, and aptX Lossless, and achieves approximately 80 hours of playback time. The headphone offers a 10Hz-40kHz frequency response with a 94±3dBSPL sound pressure level and features a relatively lightweight 347g design for a planar magnetic model. However, it is characterized by its 499 USD price point and the absence of active noise cancellation (ANC).

Scientific Validity

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The 10Hz-40kHz frequency response demonstrates broadband characteristics that fully cover the audible range, providing a foundation for high-fidelity reproduction. The adoption of planar magnetic drivers is theoretically superior in suppressing split vibrations and reducing distortion, as the entire diaphragm is driven uniformly. The EqualMass™ Technology is also a rational approach to equalize the mass distribution of the diaphragm and suppress phase characteristic disturbances. Support for Bluetooth 5.4 and codecs like LDAC and aptX Lossless are effective technical choices to minimize information loss during wireless transmission and maintain the quality of high-resolution audio sources. The published specifications align with principles of acoustic engineering, with no reliance on unscientific audio myths.

Technology Level

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Equipping a wireless headphone with planar magnetic drivers and supporting the latest codecs like Snapdragon Sound and aptX Lossless is technologically advanced. The achievement of packaging planar magnetic technology in a wireless form factor with a long 80-hour battery life is commendable. However, these technologies are not exclusive to Edifier, and strong competitors exist. For instance, the Audeze Maxwell features larger 90mm planar magnetic drivers and offers a similar long battery life and high-quality codec support at a much lower price point. The S5’s unique, innovative technological advantages are limited, and it cannot be said to possess market-leading innovation.

Cost-Performance

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The 499 USD price is this product’s greatest challenge. A key competitor, the Audeze Maxwell, offers equivalent or superior features and performance in the 299-329 USD price range. The Maxwell is equipped with large 90mm drivers, an 80-hour battery life, and 24-bit/96kHz high-resolution audio support, clearly surpassing the S5 from a cost-performance perspective. Even within the specialized category of wireless planar magnetic headphones, a cheaper and higher-performing option exists, making the S5’s price point uncompetitive. It fails to offer unique value commensurate with its price, and its cost-performance cannot be rated highly.

Reliability & Support

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While Edifier is an established manufacturer in the consumer audio market, its long-term reliability and support system for high-end products remain unproven compared to established Western brands. As a wireless product, it is susceptible to battery degradation and potential Bluetooth connectivity issues over time. No specific data on product lifespan or failure rates have been disclosed, and information on the warranty and repair system is insufficient. Firmware updates are provided via the Edifier ConneX app, but there is no guarantee of long-term support. For a premium-priced product, it is questionable whether the reliability and support structure meet the level of assurance that customers would expect.

Rationality of Design Philosophy

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The fundamental technical direction of aiming for improved measured performance by adopting planar magnetic drivers is rational. The commitment to pursuing fidelity through technical specifications without relying on unscientific audio myths is commendable. However, the decision to completely omit Active Noise Cancellation (ANC) in a 499 USD “wireless” headphone severely undermines the rationality of the product concept. For a wireless product intended for use cases that include commuting and being outdoors, external noise reduction is a critical factor that substantively improves playback quality. This omission obscures the intended use case for the product and fails to meet the demands of many potential users. While the technical direction is sound, the overall product concept fails to grasp market needs and lacks rationality.

Advice

The Edifier STAX Spirit S5 has good fundamental performance in the niche category of wireless planar magnetic headphones, but careful consideration is required regarding whether it delivers comprehensive value for its 499 USD price. In the same category, the Audeze Maxwell (299-329 USD) offers superior cost-performance and functionality, outperforming the S5 in many respects. Furthermore, the lack of ANC is a significant limitation for a wireless headphone, making it a poor choice for users considering mobile use. Even for audiophiles seeking wireless convenience for home listening, a rational comparison with the superior price-to-performance of the Maxwell is strongly recommended first. It is essential to clarify your own usage requirements and audition the product before making a purchase.

(2025.7.24)