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Letshuoer S12 Ultra vs Westone UM Pro 10: which should you buy?

Specs, scores and condensed review verdicts for the Letshuoer S12 Ultra vs Westone UM Pro 10, side by side. Where a product has no HearWiki score yet, not enough reviews have been aggregated to rate it.

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 Ultra
  • Westone UM Pro 10
HearWiki score
83
-
Sound
8.6
-
Value
8.9
-
Price (USD)
$170
$150

Specifications

S12 UltraUM Pro 10
Type
Wired IEMs
Wired IEMs
Price (USD)
$170
$150
HearWiki score
83
Not scored
Released
2025
2018
Availability
Sold new
Discontinued
Driver
1 planar magnetic
balanced armature
Driver type
planar
balanced-armature
Driver configuration
1 planar magnetic
-
Driver size
14.8 mm
-
Drivers per side
1
1
Frequency response
-
20 Hz - 16 kHz
Impedance
16 Ω
19 Ω
Sensitivity
-
114 dB/mW

What reviewers said

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

Westone UM Pro 10

The Westone UM Pro 10 delivers a focused, studio-style listening experience built for performers and audio purists. With a single balanced-armature driver, it emphasizes clarity and accurate midrange reproduction rather than overwhelming bass. Its lightweight, low-impedance design makes it easy to drive from most devices while maintaining a comfortable, secure fit on stage or on the go.

  • Pro:Clear and articulate midrange for monitoring
  • Pro:Lightweight and comfortable for long sessions
  • Pro:Easy to drive with any source
  • Con:Limited frequency range up to 16 kHz
  • Con:Single-driver design lacks deep bass extension
  • Con:Not ideal for casual listeners seeking heavy low-end

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 comparisonLetshuoer S12 UltraWestone UM Pro 10