LETSHUOER S12 PRO vs Letshuoer S12 Ultra: which should you buy?

On aggregated review scores the Letshuoer S12 Ultra comes out ahead with a HearWiki score of 83. The full breakdown - sub-scores, specs and what reviewers actually said - is below.

Our pick: Letshuoer S12 Ultra - Outstanding overall at around $169.

Wired IEMs

Score breakdown

Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.

Letshuoer S12 Ultra leads on 3 of 4 measures.

LETSHUOER S12 PRO
Letshuoer S12 Ultra

HearWiki score

Sound

8.0

8.6

Value

7.8

8.9

Price (USD)

$170

Generation & platform

The scores rank quality. This is the other question: is the newer one actually newer technology, or the same platform in a new shell?

Same generation

The Letshuoer S12 Ultra is 3 years newer, but it is the same generation of hardware: nothing in the radio, the codecs or the noise cancelling separates them. Nothing separates them on convenience features either, so the choice comes down to tuning and price. For 3 years between them, that is a thin return - treat this as a restyle rather than a new platform.

S12 PRO2022
S12 Ultra20253 yr newer

Specifications

S12 PROS12 Ultra

Type: Wired IEMs; Wired IEMs
Price (USD): $170; $170
HearWiki score: 75; 83
Released: 2022; 2025
Availability: Still sold new; Sold new
Driver: 14.8 mm planar magnetic; 1 planar magnetic
Driver type: planar; planar
Driver configuration: -; 1 planar magnetic
Driver size: 14.8 mm; 14.8 mm
Drivers per side: -; 1
Impedance: 16 Ω; 16 Ω
Active noise cancelling: No; -
Connector: 2-pin 0.78 mm; -

Specification comparison of LETSHUOER S12 PRO vs Letshuoer S12 Ultra
Spec	LETSHUOER S12 PRO	Letshuoer S12 Ultra
Type	Wired IEMs	Wired IEMs
Price (USD)	$170	$170
HearWiki score	75 / 100 Great	83 / 100 Outstanding
Released	2022	2025
Audio
Driver	14.8 mm planar magnetic	1 planar magnetic
Driver type	planar	planar
Driver configuration	-	1 planar magnetic
Driver size	14.8 mm	14.8 mm
Drivers per side	-	1
Impedance	16 Ω	16 Ω
Features
Active noise cancelling	No	-
Design
Connector	2-pin 0.78 mm	-

What reviewers said

LETSHUOER S12 PRO

The LETSHUOER S12 PRO is a wired planar magnetic IEM that delivers a lively, V-shaped sound with strong detail, clarity, and punchy bass, making it a compelling option under $200. It's easy to drive from most sources, though pairing with a warmer amp can tame its bright treble. The comfortable fit and solid ergonomics support long listening sessions, but the tuning's treble peak may not suit treble-sensitive listeners.

Pro:Excellent detail and clarity
Pro:Punchy, well-defined bass
Pro:Easy to drive, scales with better sources

Con:Bright treble can be fatiguing
Con:V-shaped tuning not for everyone
Con:Sensitive to source quality

Letshuoer S12 Ultra

The Letshuoer S12 Ultra is a wired in-ear monitor that delivers Hi-Fi sound through a single 14.8mm planar magnetic driver housed in a lightweight aluminum-alloy shell. Aimed at music enthusiasts, it offers the signature planar-driver clarity and detail of the S12 series in a refreshed design, without any active noise cancellation or wireless features. Priced around $169, it's a straightforward, high-performance option for wired listening.

Pro:Detailed and fast planar magnetic sound
Pro:Lightweight and durable aluminum-alloy build
Pro:Accurate bass response with low distortion

Con:Requires a wired connection, no wireless freedom
Con:No active noise cancellation for noisy environments
Con:Open-back style may leak sound in quiet settings

Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.

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New comparison LETSHUOER S12 PRO Letshuoer S12 Ultra