Juzear Butterfly 61T 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 4 of 4 measures.

Juzear Butterfly 61T
Letshuoer S12 Ultra

HearWiki score

Sound

7.7

8.6

Value

7.6

8.9

Price (USD)

$220

$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

Letshuoer S12 Ultra (2025) against Juzear Butterfly 61T (2024). These are 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.

Butterfly 61T2024
S12 Ultra20251 yr newer

Specifications

Butterfly 61TS12 Ultra

Type: Wired IEMs; Wired IEMs
Price (USD): $220; $170
HearWiki score: 70; 83
Released: 2024; 2025
Availability: Discontinued; Sold new
Driver: 1DD + 6BA hybrid; 1 planar magnetic
Driver type: hybrid; planar
Driver configuration: 1DD + 6BA; 1 planar magnetic
Driver size: 10 mm; 14.8 mm
Drivers per side: 7; 1
Impedance: 46 Ω; 16 Ω
Active noise cancelling: No; -
Weight: 6.6 g; -
Connector: 2-pin 0.78 mm; -

Specification comparison of Juzear Butterfly 61T vs Letshuoer S12 Ultra
Spec	Juzear Butterfly 61T	Letshuoer S12 Ultra
Type	Wired IEMs	Wired IEMs
Price (USD)	$220	$170
HearWiki score	70 / 100 Good	83 / 100 Outstanding
Released	2024	2025
Audio
Driver	1DD + 6BA hybrid	1 planar magnetic
Driver type	hybrid	planar
Driver configuration	1DD + 6BA	1 planar magnetic
Driver size	10 mm	14.8 mm
Drivers per side	7	1
Impedance	46 Ω	16 Ω
Features
Active noise cancelling	No	-
Design
Weight	6.6 g	-
Connector	2-pin 0.78 mm	-

What reviewers said

Juzear Butterfly 61T

The Juzear Butterfly 61T is a hybrid IEM that blends a dynamic driver with six balanced armatures to deliver a polished, engaging sound. It offers a warm, rich, and smooth signature that appeals to listeners seeking a musical and easygoing experience, making it a strong all-rounder in its price range. Its tuning is well-executed, providing broad appeal without sacrificing clarity or detail.

Pro:Warm, smooth, and musical tuning
Pro:Engaging and polished overall sound
Pro:Solid all-rounder performance for its price

Con:No noise cancellation or wireless functionality
Con:May not suit listeners preferring a neutral or analytical signature
Con:Requires a quality source to fully shine

Letshuoer S12 Ultra

The Letshuoer S12 Ultra is a wired in-ear monitor built around a single 14.8mm planar magnetic driver housed in a lightweight aluminum shell. It delivers the signature planar sound of the S12 line—fast, detailed, and punchy—in a refreshed design aimed at hi-fi enthusiasts. With a low 16-ohm impedance, it pairs easily with most sources, though it lacks any active noise cancellation.

Pro:Fast, detailed planar sound with strong dynamics
Pro:Lightweight and sturdy aluminum-alloy build
Pro:Easy to drive thanks to low impedance

Con:No noise cancellation or isolation features
Con:Planar timbre may not suit all listeners
Con:Cable and accessories are basic for the price

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 Juzear Butterfly 61T Letshuoer S12 Ultra