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Hidizs MS1-R5 vs Letshuoer S12 Ultra: which should you buy?

Specs, scores and condensed review verdicts for the Hidizs MS1-R5 vs Letshuoer S12 Ultra, 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.

  • Hidizs MS1-R5
  • Letshuoer S12 Ultra
HearWiki score
-
83
Sound
-
8.6
Value
-
8.9
Price (USD)
$150
$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 Hidizs MS1-R5 (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.

  • MS1-R52024
  • S12 Ultra20251 yr newer

Specifications

MS1-R5S12 Ultra
Type
Wired IEMs
Wired IEMs
Price (USD)
$150
$170
HearWiki score
Not scored
83
Released
2024
2025
Availability
Discontinued
Sold new
Driver
10.2 mm dynamic
1 planar magnetic
Driver type
dynamic
planar
Driver configuration
-
1 planar magnetic
Driver size
10.2 mm
14.8 mm
Drivers per side
1
1
Frequency response
20 Hz - 40 kHz
-
Impedance
32 Ω
16 Ω
Sensitivity
109 dB/mW
-
Active noise cancelling
No
-
Weight
16 g
-
Detachable cable
Yes
-
USB-C
No
-
Model code
MS1-Galaxy
-

What reviewers said

Hidizs MS1-R5

The Hidizs MS1-R5 is a wired single-dynamic-driver IEM built around a 10.2mm composite diaphragm and a dual magnetic circuit to keep distortion low. Its tuning follows the H-2019 target curve, delivering a balanced and natural sound signature. With a lightweight 16g build and detachable cable, it's a versatile budget-friendly option for critical listening on the go.

  • Pro:Balanced, neutral tuning for accurate reproduction
  • Pro:Compact and featherlight 16g shell for all-day comfort
  • Pro:Detachable cable adds convenience and upgrade potential
  • Con:No active noise cancellation for noisy environments
  • Con:Single dynamic driver may lack the detail of multi-driver setups
  • Con:Wired-only design limits portability compared to wireless options

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 comparisonHidizs MS1-R5Letshuoer S12 Ultra