Westone W40 and LetShuoer EJ07M use 4BA and 1DD+2BA+4EST driver setups respectively. Westone W40 costs $599 while LetShuoer EJ07M costs $670. LetShuoer EJ07M is $71 more expensive. LetShuoer EJ07M holds a decisive 4.4-point edge in reviewer scores (3.2 vs 7.6). LetShuoer EJ07M has significantly better bass with a 4.5-point edge, LetShuoer EJ07M has significantly better mids with a 3.5-point edge, LetShuoer EJ07M has significantly better treble with a 2.2-point edge, LetShuoer EJ07M has significantly better dynamics with a 3-point edge, LetShuoer EJ07M has significantly better details with a 3.8-point edge and LetShuoer EJ07M has significantly better imaging with a 2.8-point edge.
Insights
| Metric | Westone W40 | LetShuoer EJ07M |
|---|---|---|
| Bass | 3 | 7.5 |
| Mids | 4 | 7.5 |
| Treble | 4 | 6.2 |
| Details | 3 | 6.8 |
| Soundstage | 3.2 | 7.3 |
| Imaging | 4 | 6.8 |
| Dynamics | 3 | 6 |
| Tonality | 3.4 | 7.6 |
| Technicalities | 3.9 | 7.1 |
Westone W40 Aggregated Review Score
Average Reviewer Scores
Average Reviewer Score:
3.2Very Poor
LetShuoer EJ07M Aggregated Review Score
Average Reviewer Scores
Average Reviewer Score:
7.6Strongly Favorable
Reviews Comparison
Westone W40 reviewed by Precogvision
Precogvision Youtube Channel
LetShuoer EJ07M reviewed by Precogvision
Precogvision Youtube Channel
Westone W40 (more reviews)
Westone W40 reviewed by Crin
Crin Youtube Channel
LetShuoer EJ07M (more reviews)
LetShuoer EJ07M reviewed by Yifang
LetShuoer EJ07M reviewed by Audionotions
LetShuoer EJ07M reviewed by Super* Review
Youtube Video Summary
Letshuoer x HBB’s Kinda Lava retunes the EJ07M toward a neutral-with-tasteful-bass-boost signature, thickening the mid-bass versus the original’s Harman-leaning sub-bass shelf. The midrange sits essentially dead-on neutral with excellent clarity and micro-contrast, while the treble is well-extended yet notably safe for sibilance, occasionally showing a soft, sandy EST texture. Versus the stock EJ07M, this tuning feels more integrated and less “subwoofery,” though overall differences remain subtle.
The headline is the bass quality: firm attack, clean decay and addictive depth—easily among the top tier in the price class—without bleeding into the mids. Technicalities are solid, with decent imaging, but the head-stage runs a bit narrow and the overall tilt can sound slightly dark on airy recordings. Build is light metal with red shells and a handsome screw-top metal case; the stock cable feels basic for the price and the faceplate finish looks less premium than expected.
Fit is comfortable but may need SpinFit CP100 tips or a taller two-pin cable to lock in seal and stability. In comparisons, Sennheiser IE600 hits harder up top with a V-shaped incisiveness and wider sense of space, while Moondrop S8 offers brighter openness and BA-clean mids but less bass body. Kinda Lava threads the middle with balanced tonality, safe/detail-rich treble, and outstanding bass, culminating in a confident 5/5 verdict for listeners prioritizing natural mids and elite low-end over max soundstage.
Super* Review original ranking
Super* Review Youtube ChannelLetShuoer EJ07M reviewed by Jays Audio
Jays Audio Youtube Channel
LetShuoer EJ07M reviewed by Jaytiss
Jaytiss Youtube Channel
LetShuoer EJ07M reviewed by Shuwa-T
LetShuoer EJ07M reviewed by Head-Fi.org
Westone W40 Details
Driver Configuration: 4BA
Tuning Type: Warm, V-Shaped
Price (Msrp): $599
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LetShuoer EJ07M Details
Driver Configuration: 1DD+2BA+4EST
Tuning Type: U-Shaped
Brand: Letshuoer Top Letshuoer IEMs
Price (Msrp): $670
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Westone W40 User Review Score
Average User Scores
Average User Score: n/a
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LetShuoer EJ07M User Review Score
Average User Scores
Average User Score: n/a
Based on 0 user reviews
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Westone W40 Gaming Score
Gaming Score & Grade
- The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.
Gaming Score
3.2Gaming Grade
DLetShuoer EJ07M Gaming Score
Gaming Score & Grade
- The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.
Gaming Score
6.7Gaming Grade
B+Westone W40 Scorings
Average Technical & Tuning Grades
Average Tunign Grade
D- Tonality remains inconsistent, with uneven peaks and dips that disrupt musical flow. You'll constantly notice peaks or dips pulling focus.
Average Technical Grade
D+- Even moderate complexity exposes the limited resolution and narrow sense of space. Technical fans will find it lacking.
LetShuoer EJ07M Scorings
Average Technical & Tuning Grades
Average Tunign Grade
A- It presents a smooth, well-integrated tonal balance that plays nicely with many styles. It maintains natural timbre across the range.
Average Technical Grade
A-- A competent technical showing keeps separation intact while delivering modest staging. It feels tidy even when recordings stack layers.
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