Letshuoer S15 VS Penon Quattro

Letshuoer S15 and Penon Quattro are in-ear monitors. Letshuoer S15 costs $329 while Penon Quattro costs $399. Penon Quattro is $70 more expensive. Letshuoer S15 holds a decisive 1.7-point edge in reviewer scores (8 vs 6.3). Letshuoer S15 has significantly better mids with a 3-point edge, Letshuoer S15 has significantly better treble with a 2-point edge, Penon Quattro has significantly better dynamics with a 1-point edge and Letshuoer S15 has significantly better soundstage with a 1-point edge.

Jaytiss Score

Letshuoer S15

8 /10

Jaytiss Score

Penon Quattro

6.3 /10

Score gap: 1.7

Metric	Letshuoer S15	Penon Quattro
Mids	8	5
Treble	7	5
Soundstage	7	6
Dynamics	6	7
Tonality	7	5.3
Technicalities	7	5

Take these comparisons with a grain of salt—we don't have enough Letshuoer S15 and Penon Quattro reviews saved yet to provide an unbiased result.

Jaytiss Reviews Comparison

Letshuoer S15 reviewed by

2025-07-16

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-

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Price: $329

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Penon Quattro reviewed by

2025-10-02

6.3 Reviewer Score

C+ Tuning

C+ Tech

Mid range is wonky, interesting but not good.

Jaytiss original ranking

Jaytiss Youtube Channel

Mids: C+ Treble: C+ Dynamics: A- Soundstage: B

Driver Configuration:

Tuning Type: n/a

Brand: Letshuoer Top Letshuoer IEMs

Price (Msrp): $329

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$329

Buy Letshuoer S15 on

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Driver Configuration: 4DD

Tuning Type: n/a

Price (Msrp): $399

Support our free service! Buying through our affiliate links costs you nothing extra:

Letshuoer S15 Scorings

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.

Mids A+

It offers a luxurious, resolving midrange that captures micro-detail beautifully. Every vocal inflection is captured.

Treble A-

The treble is exquisitely tuned, combining crystal detail with relaxed delivery. Micro-details emerge effortlessly.

Dynamics B

Dynamic expression is good, delivering solid impact and convincing contrast. Percussion lands with convincing weight.

Soundstage A-

All dimensions bloom together, producing an expansive venue that feels carefully rendered. You can map the ensemble easily.

Penon Quattro Scorings

Average Tunign Grade

C+

Expect a friendly tonal balance that could use polish but remains inviting. Great for casual listening, less so for purists.

Average Technical Grade

C+

The presentation is steady if unspectacular, holding onto essential details when the music stays simple. Fine details occasionally slip through the cracks.

Mids C+

The mids are solid and dependable, though not especially remarkable. Vocals stay reasonably grounded in the mix.

Treble C+

The top end is tidy and serviceable, adding air without overdoing it. Extension is decent for casual listening.

Dynamics A-

The system snaps into action with precision, highlighting every swell. Recordings feel energetic and alive.

Soundstage B

You can map the ensemble with confidence thanks to solid spacing and coherent depth layering. Ambient effects feel believable.

Letshuoer S15 User Reviews

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Penon Quattro User Reviews