Dunu Vulkan VS Letshuoer S15

IEM Comparison: Expert & Community Scores Side-by-Side

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Dunu Vulkan and Letshuoer S15 are in-ear monitors. Dunu Vulkan costs $380 while Letshuoer S15 costs $329. Dunu Vulkan is $51 more expensive. Letshuoer S15 holds a clear 0.8-point edge in reviewer scores (6.5 vs 7.4). Letshuoer S15 has better bass with a 0.5-point edge, Letshuoer S15 has significantly better mids with a 1.3-point edge, Letshuoer S15 has significantly better treble with a 1-point edge, Letshuoer S15 has better dynamics with a 0.5-point edge, Dunu Vulkan has slightly better soundstage with a 0.3-point edge, Letshuoer S15 has significantly better details with a 1.5-point edge and Letshuoer S15 has better imaging with a 0.5-point edge.

Insights

Metric Dunu Vulkan Letshuoer S15
Bass 6 6.5
Mids 6.3 7.5
Treble 5.5 6.5
Details 5 6.5
Soundstage 7 6.8
Imaging 6.5 7
Dynamics 5.5 6
Tonality 6.6 7
Technicalities 6.1 7.1
Take these comparisons with a grain of salt—we don't have enough Letshuoer S15 reviews saved yet to provide an unbiased result.

Dunu Vulkan Aggregated Review Score

Average Reviewer Scores

Nymz
Jays Audio Jaytiss Fresh Reviews Super* Review Precogvision
Bad Guy Good Audio Crin Head-Fi.org

Average Reviewer Score:

6.5

Cautiously Favorable

Letshuoer S15 Aggregated Review Score

Average Reviewer Scores

Shuwa-T Jays Audio
Jaytiss Head-Fi.org

Average Reviewer Score:

7.4

Generally Favorable

Reviews Comparison

Dunu Vulkan reviewed by Jays Audio

Jays Audio 6.5 Reviewer Score
A Tuning
A Tech
Neutral bass glide, full mids, and decent treble extension. Some masking and not as technical vs blessing series, but better note-weight and timbre/tonality.

Jays Audio original ranking

Jays Audio Youtube Channel

Letshuoer S15 reviewed by Jays Audio

Jays Audio 6.5 Reviewer Score
A Tuning
A Tech
YouTube video thumbnail
Neutral and laid back tuning. Great layering and separation and resolution. Great treble extension and air without being too sharp and light like other planar iems. Bass is also not light and floaty, and doesn't feel like planar bass - not slamming, but tight and well-textured. Vocals are laid back, but not too pushed back although it's not the most extended and powerful, but works very-well as a neutral set. Nice and open staging, and is the direct upgrade to the Hexa and Sonus. Very good safe all-rounder.
Youtube Video Summary

Letshuoer S15 takes the planar recipe in a more natural, neutral direction, dialing back the upper-mids/treble glare that made earlier S12 variants feel “planar.” The result is a heavier note weight, smoother edges, and a timbre closer to a good dynamic driver—without the etched, floaty thinness common to many planars. Vocals sit forward with less Harman-style shout, bass carries satisfying sub-bass rumble with tight mid-bass separation thanks to planar speed, and overall fatigue is low. The trade-off is a presentation that’s more relaxed than hyped: treble sparkle and micro-detail aren’t spotlighted, and those craving sizzle may find it a touch polite.

Against its siblings, S15 is the cleanest, most neutral option—more open and balanced than the darker, ultra-chill S08, and more refined/grounded than older S12 iterations that pushed treble energy. The newer S12 2024 brings back liveliness and air while staying smoother than previous S12s, but S15 remains the pick for a reference-leaning planar with convincing timbre. It costs a bit more than S12 2024, yet what you’re paying for is timbre quality, note density, and a fatigue-free listen that still carries enough low-end punch. For listeners prioritizing naturalness over fireworks, S15 feels like the most mature expression of Letshuoer’s planar line.

Jays Audio original ranking

Jays Audio Youtube Channel

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Dunu Vulkan reviewed by Jaytiss

Jaytiss 6.3 Reviewer Score
C+ Tuning
C+ Tech
Solid iem, nice tonality but really not for Bassheads.

Jaytiss original ranking

Jaytiss Youtube Channel
Mids: C+ Treble: C+ Dynamics: C+ Soundstage: A-

Letshuoer S15 reviewed by Jaytiss

2025-07-16
Jaytiss 8 Reviewer Score
A- Tuning
A- Tech
Nice Clarity, good detail. I feel it should have got more love.

Jaytiss original ranking

Jaytiss Youtube Channel
Mids: A+ Treble: A- Dynamics: B Soundstage: A-

Dunu Vulkan reviewed by Head-Fi.org

Head-Fi.org 7.6 * score rescaled + normalized
14 community members have rated the DUNU VULKAN at an average of 4.1/5 on Head-Fi. Overall sentiment: Very Positive.

URL to full Review

Head-Fi.org original ranking

Letshuoer S15 reviewed by Head-Fi.org

Head-Fi.org 8.3 * score rescaled + normalized
21 community members have rated the LETSHUOER S15 at an average of 4.4/5 on Head-Fi. Overall sentiment: Excellent.

URL to full Review

Head-Fi.org original ranking

Dunu Vulkan (more reviews)

Dunu Vulkan reviewed by Bad Guy Good Audio

Bad Guy Good Audio 7.1 Reviewer Score
A- Tuning
B Tech
check links for more info:

Bad Guy Good Audio original ranking

Bad Guy Good Audio Youtube Channel
Bass: A- Mids: A- Treble: B

Dunu Vulkan reviewed by Crin

Crin 7 Reviewer Score
A+ Tuning
B+ Tech
check links for more info:

Crin original ranking

Crin Youtube Channel

Dunu Vulkan reviewed by Fresh Reviews

Fresh Reviews 6* * The score of this reviewer influences only the Gaming Score
check links for more info:

Fresh Reviews original ranking

Fresh Reviews Youtube Channel
YouTube video thumbnail

Dunu Vulkan reviewed by Super* Review

Super* Review 6* * score rescaled + normalized
check links for more info:

Super* Review original ranking

Super* Review Youtube Channel
YouTube video thumbnail

Dunu Vulkan reviewed by Precogvision

Precogvision 6 Reviewer Score
B Tuning
B Tech
Musical, slightly out-of-head presenation at the expense of blunted transients.

Precogvision original ranking

Precogvision Youtube Channel
Bass: C+ Mids: A- Treble: B Dynamics: B Details: C+ Imaging: A-

Dunu Vulkan reviewed by Nymz

Nymz 5.6 Reviewer Score
B- Tuning
C+ Tech
Good imaging chops and bass texture. Tonality is mostly fine but lacks some sharpeness to it, but a solid performer nonetheless. Great accessories.

Nymz original ranking

Nymz Website

Bass: B Mids: B Treble: C+ Details: C+ Imaging: B

Letshuoer S15 (more reviews)

Letshuoer S15 reviewed by Shuwa-T

Shuwa-T 6.6 Reviewer Score
B+ Tuning
B+ Tech
Warmer tuned planar with less emphasis on the lower treble; easier to listen to for longer periods Still plagued by planar timbre, overall clarity takes a hit from warmer signature, slight subbass rolloff to my ears

Shuwa-T original ranking

Shuwa-T Website

Bass: B+ Mids: A- Treble: B Soundstage: B+ Details: B+ Imaging: A-

Dunu Vulkan User Review Score

Average User Scores

Average User Score: n/a

Based on 0 user reviews

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Letshuoer S15 User Review Score

Average User Scores

Average User Score: n/a

Based on 0 user reviews

No user reviews yet. Be the first one who writes a review!

Dunu Vulkan Gaming Score

Gaming Score & Grade

  • The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.

Gaming Score

6.2

Gaming Grade

B

Letshuoer S15 Gaming Score

Gaming Score & Grade

  • The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.

Gaming Score

6.8

Gaming Grade

B+

Dunu Vulkan Scorings

Average Technical & Tuning Grades

Average Tunign Grade

B+
  • The tuning leans easygoing, yet occasional unevenness nudges it away from greatness. A bit of EQ polish can smooth things nicely.

Average Technical Grade

B
  • It offers a competent showing, maintaining cohesion on straightforward arrangements. Complex passages start to challenge it, but never derail the show.
Bass B
Bass foundation is good, adding satisfying punch without losing control. Pop and rock tracks feel lively.
Mids B
The mids are articulate and well-balanced, lending body to instruments. Instrument layering remains stable.
Treble B-
Expect a polite treble presentation that balances presence with restraint. Percussion carries a pleasant sparkle.
Dynamics B-
Expect solid impact overall, even if finer gradations feel a touch smoothed. Micro-details could still be sharper.
Soundstage A-
You hear both the breadth and the altitude of the mix, anchored by accurate positional cues. Immersion improves across genres.
Details C+
Ambient cues appear, albeit with softer focus than die-hard resolution seekers may prefer. You can follow supporting instruments well.
Imaging B+
Depth cues step forward, giving performances a dimensional presence. Front-to-back cues become more immersive.
Gaming B
Decent spatial awareness for fundamental positioning. Creates satisfying atmosphere in story-driven games while handling basic directional cues. Value-to-cost may not be optimal for gaming-focused users.

Letshuoer S15 Scorings

Average Technical & Tuning Grades

Average Tunign Grade

A-
  • A smooth, agreeable balance keeps the presentation engaging without obvious flaws. Only sensitive ears will nitpick the bumps.

Average Technical Grade

A-
  • Technical chops are reliable, pairing tidy separation with a soundstage that stays conservative. Micro-detail is decent, though never spotlighted.
Bass B+
The bass brings healthy impact, complementing mixes without overpowering them. It keeps up with faster passages cleanly.
Mids A
It delivers an excellent midrange that feels vibrant and true to life. It balances clarity with natural smoothness.
Treble B+
Highs sound lively and extended while remaining controlled. Detail retrieval keeps shimmer intact.
Dynamics B
Dynamic expression is good, delivering solid impact and convincing contrast. Percussion lands with convincing weight.
Soundstage B+
Lateral spread stretches comfortably while front/back cues start to feel convincing. You can trace front-to-back movement.
Details B+
Good resolution with clear articulation of nuances that keeps complex passages intelligible. Micro-details pop without sounding forced.
Imaging A-
Spatial cues respond immediately, reflecting every movement in the mix. Spatial cues respond instantly to the mix.
Gaming B+
Respectable environmental presentation favors atmosphere over precision. Detects obvious directional cues while conveying game world ambiance. Value-to-cost may not be optimal for gaming-focused users.

Dunu Vulkan User Reviews

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Letshuoer S15 User Reviews

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