Overview

The Sony WF-C710N is a mid-range active noise cancelling (ANC) true wireless earphone available around 120 USD. It features improved dual noise sensor technology from the previous WF-C700N model, 5mm drivers, and battery performance that achieves up to 30 hours of continuous use. With IPX4 water resistance, touch control, and multipoint connection functionality, it targets users who seek ANC features while keeping budget constraints in mind.

Scientific Validity

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The frequency response covers the basic audible range of 20Hz-20kHz, but according to SoundGuys measurements, shows a significant dip around 10kHz that dulls treble details in cymbals and high-hats. The earbuds also under-emphasize mids around 500Hz compared to neutral reference curves. The noise cancellation performance achieves 30dB attenuation at low frequencies and 40dB at high frequencies, providing an average 85% reduction of external noise. Regarding distortion performance, SoundGuys’ Multi-Dimensional Audio Quality Score (MDAQS) gave the WF-C710N a distortion score of 3.8 out of 5, which is described as good for wireless earbuds but does not reach the transparency level from a high-fidelity reproduction perspective. Despite Bluetooth 5.3 support, the limitation to SBC/AAC only without LDAC or aptX support is a constraint.

Technology Level

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The dual noise sensor technology with 2-microphone ANC implementation is technically sophisticated, including 20-level ambient sound adjustment and DSEE (Digital Sound Enhancement Engine) for compressed audio compensation. The 5mm driver design and 30-hour extended battery life reflect current technological standards, with appropriate implementation of multipoint connection and touch control integration. The physical design achieving weight reduction including the case is also commendable. However, constraints exist such as lack of high-quality codec support and transparent case durability concerns.

Cost-Performance

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Competing products with equivalent ANC functionality, battery performance, and connectivity include the OnePlus Buds 3 (89 USD) and Nothing Ear (a) (99 USD). With the WF-C710N priced at 120 USD, we can calculate the cost-performance value using the lowest-priced equivalent product, the OnePlus Buds 3: 89 USD ÷ 120 USD ≒ 0.74. The OnePlus Buds 3 achieves 49dB ANC performance and Hi-Res Audio support, providing superior specifications at a lower price than this product’s 30-40dB ANC performance.

Reliability & Support

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Sony’s product support system is comprehensive, providing 1-year product warranty and a global service network. IPX4 water resistance ensures reliability for daily use, though initial reviews regarding case durability note “worn appearance after 2 hours of use.” Firmware update functionality is included, enabling long-term functional improvements. The product’s average failure rate is estimated to be at industry standard levels.

Rationality of Design Philosophy

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The design philosophy focusing on ANC performance improvement is rational, and the direction of optimizing noise cancellation functionality within budget constraints is commendable. However, launching the product while leaving fundamental audio quality issues such as treble dip around 10kHz and midrange under-emphasis is irrational. The design decision to not support high-quality codecs, which limits the effectiveness of the technology investment, is also questionable. As a dedicated audio device, its advantages compared to smartphone + external DAC combinations are limited.

Advice

The Sony WF-C710N can be an option for users who prioritize ANC functionality within a limited budget, but superior alternatives exist in the same price range. Particularly for noise reduction during commuting or focused work environments, the 30-40dB external noise reduction effect provides practical value. However, for those who prioritize high-quality music listening, the treble dip around 10kHz may reduce satisfaction with cymbal and high-hat details. OnePlus Buds 3 (89 USD) achieves 49dB ANC performance and Hi-Res Audio support, providing superior specifications at a lower price. Similarly, Nothing Ear (a) (99 USD) achieves 45dB ANC performance and LDAC support, demonstrating advantages over this product. For users who prioritize long-term battery life, this product’s 30-hour continuous use capability provides an advantage.

(2025.7.14)