Letshuoer S12 Ultra - Reviews & Ratings

2 Reviews (A Tier | 7.6/10)

Home Letshuoer S12 Ultra

Average Reviewer Scores

IEMRanking AI
Jaytiss

Average Reviewer Score:

7.6

Strongly Favorable

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Gaming Score & Grade

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

Gaming Score

7.3

Gaming Grade

A-

Reviews

Reviewed by: Jaytiss

2025-10-05
Jaytiss 8 Reviewer Score
A- Tuning
A- Tech
They saved the best s12 for last.

Jaytiss original ranking

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

Reviewed by: IEMRanking AI

2025-10-05
IEMRanking AI 7.1 Reviewer Score
A Tuning
A Tech

The Letshuoer S12 Ultra continues the brand’s planar lineage with a 14.8 mm planar-magnetic driver in a compact metal shell. Notable upgrades include a 392-core silver-plated cable with interchangeable 3.5/4.4 mm plugs and even a bundled DT01 Pro Type-C DAC cable in some packages, positioning it as a self-contained portable solution at an MSRP around $169.

Tonally, the Ultra aims for a lively U-shaped balance common to prior S12 variants—crisp upper-treble energy with solid bass presence—while early impressions from show-floor demos frame it as the most refined take yet. That aligns with the S12 family’s reputation for strong resolution and a brisk top-end; the original S12 was praised for technical performance albeit with a brighter tilt, context that helps set expectations for the Ultra’s direction.

As with many planars, the S12 line can benefit from competent source power to realize dynamics and control; community reviews note the Ultra responds well to suitable amplification. Staging remains more intimate than expansive compared to some hybrids, but imaging and micro-detail are competitive at the price, making the Ultra a pragmatic sub-$200 pick for listeners who value clarity and transient speed over warmth.


Bass: A Mids: A Treble: A+ Dynamics: A Soundstage: A- Details: S- Imaging: A

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Letshuoer S12 Ultra Infos

Compare Letshuoer S12 Ultra to popular alternatives

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Average Technical & Tuning Grades

Average Tunign Grade

A-
  • Pleasing tonal balance with good technical control. Minor quirks present but not distracting. Demonstrates decent genre versatility.

Average Technical Grade

A-
  • Competent technical presentation. Handles separation and detail well in most tracks, with modest soundstage and acceptable imaging capabilities.
Bass A
Strong, well-defined bass with good texture. Delivers satisfying punch and rumble without overwhelming other frequencies.
Mids B+
Good midrange presence with solid clarity. Vocals are clear and instruments have reasonable texture and body.
Treble A
Excellent treble: airy, extended and well-controlled. Great micro-detail retrieval without sibilance or harshness.
Dynamics A-
Excellent dynamics with great contrast and speed. Transients are crisp and micro-details are clearly articulated.
Soundstage A
Excellent spatial presentation - wide, deep and tall. Precise instrument placement with clear separation in all dimensions.
Details S-
Exceptional resolution that uncovers the deepest layers. Retrieves even the most minute details while maintaining natural timbre.
Imaging A
Excellent imaging: precise and stable placement. Instruments occupy specific points in space with tangible positions.
Gaming A-
Good fundamental spatial awareness for most gaming scenarios. Handles basic positioning well but may lack nuance in complex situations.

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