Westone Audio W40 Earphone

$699.97 Price Tier: High-end

3 Critic Reviews

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Page last updated Jun 25, 2026

Pricing and availability

We compare 600+ stores and found this item at 1 store. Prices updated June 21, 2026.

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3.8 (102)

$699.97 New

$262.52 Used (Very Good)

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Average Price: $700

High-end/Boutique

$100

$301+

Price Tier

In the Headphones & In-Ear Monitors category, Westone Audio W40 Earphone is priced in the High-end/Boutique range. This premium gear is built to very high standards and offers premium features.

Budget

Standard

High-end

Price History

Based on price data from 1 merchant for "Westone Audio W40 Earphone". Prices shown reflect NEW condition. Tracking began Apr 4, 2026.

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Description

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Elevate your audio experience with the Westone Audio W40 Earphones, a true masterpiece for audiophiles and musicians alike. These in-ear monitors are engineered with a 4-driver/3-way design, delivering pristine, studio-quality sound with unparalleled precision. Thanks to dual low-frequency drivers, the W40 provides an extended bass range down to 10Hz, ensuring you feel every beat and note with depth and clarity. The compact, balanced-armature drivers minimize size while maximizing sonic detail, making these earphones a perfect companion for professional and personal use.

Comfort meets customization with Westone's True-fit technology. With over 50 years of expertise in ear ergonomics, these low-profile earpieces offer an acoustic seal that blocks out up to 25dB of external noise, ensuring you stay immersed in your music. The W40 comes equipped with replaceable EPIC cables, featuring a durable braided outer layer and aramid fiber reinforcement for long-lasting performance. Plus, the included MFi cable with a 3-button remote and microphone ensures seamless control and communication across iOS and Android devices.

Personalize your W40s with interchangeable faceplates and find the perfect fit with the comprehensive Fit Kit, featuring both Star silicone and True-fit foam tips. Whether you're on stage or in the studio, Westone W40 Earphones are designed to deliver an immersive audio experience that adapts to your style and needs.

Key Features:

4-driver/3-way design for studio-quality sound
Dual low-frequency drivers for extended bass range
Compact balanced-armature drivers for detail and comfort
True-fit technology for superior comfort and noise isolation
Replaceable EPIC cable for extended durability
MFi cable with 3-button remote/mic for iOS and Android compatibility
Interchangeable faceplates and comprehensive Fit Kit included

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Westone W40 earbuds review

Digital Trends

Do You Know l Best Features 'Westone W40' But Users Don't Know About This

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Reviews

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PROS

Exceptional comfort with a wide variety of ear tips for a personalized fit
Clear, detailed sound with a balanced audio profile
Includes numerous accessories, such as interchangeable faceplates and cables
Lightweight design makes them easy to wear for extended periods
Great all-around sound quality, particularly for in-ear monitors

CONS

Cables tend to flare out and don't stay securely over ears
High price point compared to similar models with comparable sound quality
Some users find the bass lacking compared to other brands
Mic and control placement on the straight cable may feel unbalanced
Perceived value does not justify the cost for some users

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Westone Audio W40 Earphone.

Comparisons

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W40's tuning is perceived as unconventional, and Westone's sound is described as v-shaped with potentially sibilant treble when using silicone tips.
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Some users find the Westone W40 less bass-heavy compared to Fostex Purple Hearts and TH900mkii, preferring those for more pronounced bass and treble.
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The Westone W40 is described as having less clarity and separation in layered tracks compared to the Shure SE535, especially noticeable in jazz-funk music with complex instrumentation.
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Owners compare the Westone W40's sound profile unfavorably with the Shure SRH940, which is noted for its superior separation and detail, emphasizing the W40's limitations in detailed audio representation.
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Features and functionality

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Westone W40 offers good ergonomics and comfort for extended wear, but its cable with a microphone is criticized for poor quality.
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Westone W40's performance may vary significantly based on the digital audio player used, as evidenced by mixed results with the Pioneer 100r dap.
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Build quality

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Users report that customizable color covers on Westone IEMs, like W40, are prone to cracking and are seen as a nuisance.
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User experience

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Westone customer service is praised as a significant advantage over many Chinese IEM brands.
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Owners using silicone tips note they enhance treble but may reduce perceived bass, whereas foam tips provide more balanced bass at the expense of some high frequencies.
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It has been noted that the bass performance of the Westone W40 improves after 5 to 10 hours of use.
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Setup and maintenance

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Owners highlight the importance of achieving a proper seal with the variety of included ear tips to unlock the full bass potential, suggesting larger foam tips for better bass.
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Users report that changing from XL to L rubber tips improved sound separation, highlighting the importance of selecting the correct tip size for optimal audio performance.
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Use cases and applications

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The Westone W40 is praised for its comfort during extended listening sessions, which may appeal to users who prioritize comfort over other features.
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Critic Reviews

Westone W40 Review - RTINGS.com

rtings.com

The Westone Audio W40 earphones are a mixed bag; they shine with a durable build and exceptional noise isolation, making them ideal for sports and commuting. However, their sound quality leaves much to be desired, with a tendency to sound boomy and lacking in detail, particularly for those seeking a neutral sound. While they offer comfort and portability, the high price tag may not reflect the perceived value, especially for audiophiles. Overall, they serve well for casual listening but fall short for critical music enthusiasts.

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Westone W40 review | Digital Trends

digitaltrends.com

Westone's W40 earphones deliver stunning clarity and dynamic range, making them a top choice for audiophiles. With four balanced armatures, they offer immense detail and warmth, uncommon for this design. However, at $500, they are quite an investment. Some tracks may sound a bit bright, and while the bass could be more potent, the overall sound quality is remarkable. These professional-grade earphones excel in noise isolation and are ideal for those seeking to rediscover their music collection. Casual listeners might find the price steep, but for serious audio enthusiasts, the W40s are worth the splurge.

positive

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