
Campfire Audio Bonneville vs Westone ES40: which should you buy?
Specs, scores and condensed review verdicts for the Campfire Audio Bonneville vs Westone ES40, side by side. Where a product has no HearWiki score yet, not enough reviews have been aggregated to rate it.
Score breakdown
Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.
No sub-scores yet - not enough rated reviews.
Specifications
| Spec | Campfire Audio Bonneville | Westone ES40 |
|---|---|---|
| Type | Wired IEMs | Wired IEMs |
| Price (USD) | $1175 | $1000 |
| HearWiki score | 84 / 100 · Great | Not scored |
| Released | 2023 | 2018 |
| Audio | ||
| Driver | hybrid | BA |
| Driver size | 10 mm | - |
| Drivers per side | 4 | 4 |
| Frequency response | 5Hz-20kHz | 10Hz-20kHz |
| Impedance | 29 Ω | 28 Ω |
| Sensitivity | 94 dB/mW | 112 dB/mW |
| Features | ||
| Controls | - | buttons |
| Design | ||
| Weight | 9 g | - |
What reviewers said
Campfire Audio Bonneville
The Campfire Audio Bonneville is a premium hybrid in-ear monitor that pairs a 10mm dynamic driver with three balanced armatures to deliver a warm, musical signature with strong bass presence and expansive staging. It offers a comfortable fit and easy power requirements, making it a versatile high-end choice for listeners prioritizing enjoyment over strict neutrality, though its isolation is slightly below par for the category.
- Pro:Warm, engaging tuning with impactful bass
- Pro:Comfortable and lightweight fit for long sessions
- Pro:Easy to drive thanks to low impedance
- Con:Isolation is weaker than some competing hybrids
- Con:Tuning favors musicality over neutrality
- Con:High price point may limit accessibility
Westone ES40
The Westone ES40 is a custom-fitted in-ear monitor aimed at professional users, delivering precise, detailed audio through a four-driver balanced armature setup. Its personalized shell ensures comfort and isolation, while the efficient 112 dB sensitivity makes it easy to drive from most devices. With a broad frequency range and neutral tuning, it suits critical listening and stage monitoring alike.
- Pro:Personalized custom fit for superior comfort and isolation
- Pro:Four balanced armature drivers provide detailed, accurate sound
- Pro:High sensitivity (112 dB) works well with portable sources
- Con:Requires custom impressions, making them less accessible than universal-fit IEMs
- Con:No detachable cable or wireless option, limiting versatility
- Con:Price point is high for casual listeners
Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.
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