Letshuoer S15 VS Heartfield CU8

Letshuoer S15 and Heartfield CU8 are in-ear monitors. Letshuoer S15 costs $329 while Heartfield CU8 costs $279. Letshuoer S15 is $50 more expensive. Letshuoer S15 holds a decisive 1-point edge in reviewer scores (8 vs 7). Letshuoer S15 has significantly better mids with a 3-point edge, Letshuoer S15 has significantly better treble with a 1-point edge, Heartfield CU8 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

Heartfield CU8

7 /10

Score gap: 1.0

Metric	Letshuoer S15	Heartfield CU8
Mids	8	5
Treble	7	6
Soundstage	7	6
Dynamics	6	7
Tonality	7	6
Technicalities	7	6

Take these comparisons with a grain of salt—we don't have enough Letshuoer S15 and Heartfield CU8 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-

Using this affiliate link for ordering your Letshuoer S15 or any other IEM helps fund our free service at no extra cost to you.

Price: $329

Buy Letshuoer S15 on Linsoul

Heartfield CU8 reviewed by

2025-07-10

7 Reviewer Score

B Tuning

B Tech

It's fine, but is fine worth your purchase?

Jaytiss original ranking

Jaytiss Youtube Channel

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

Using this affiliate link for ordering your Heartfield CU8 or any other IEM helps fund our free service at no extra cost to you.

Price: $279

Buy Heartfield CU8 on Linsoul

Driver Configuration:

Tuning Type: n/a

Brand: Letshuoer Top Letshuoer IEMs

Price (Msrp): $329

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

$329

Buy Letshuoer S15 on

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

Driver Configuration: 4BA

Tuning Type: U-Shaped

Top U-Shaped IEMs

Price (Msrp): $279

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

$279

Buy Heartfield CU8 on

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.

Heartfield CU8 Scorings

Average Tunign Grade

A mostly enjoyable signature keeps things listenable despite a handful of quirks. It handles most playlists without major complaints.

Average Technical Grade

An honest, middle-of-the-road performance preserves structure without chasing micro-detail. It's respectable for everyday listening sessions.

Mids C+

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

Treble B

The top end is engaging and airy, yet never overbearing. Brass and strings feel energetic.

Dynamics A-

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

Soundstage B

A satisfying balance of width and depth yields a stage that feels organized and engaging. Imaging lines up with the intended mix.

Letshuoer S15 User Reviews

Example User Posted on ...

0.0

"This is an example review"

Pros

Example pro 1
Example pro 2

Cons

Example con 1
Example con 2

No User-Reviews Yet

Share your experience and build your personal ranking list.

You need to be signed in to write your own review

Heartfield CU8 User Reviews