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Letshuoer S12 Ultra vs Razer Hammerhead USB-C ANC: which should you buy?

Specs, scores and condensed review verdicts for the Letshuoer S12 Ultra vs Razer Hammerhead USB-C ANC, 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
  • Razer Hammerhead USB-C ANC
HearWiki score
83
-
Sound
8.6
-
Value
8.9
-
Price (USD)
$170
$100

Specifications

S12 UltraHammerhead USB-C ANC
Type
Wired IEMs
Wired IEMs
Price (USD)
$170
$100
HearWiki score
83
Not scored
Released
2025
2020
Availability
Sold new
Discontinued
Driver
1 planar magnetic
hybrid
Driver type
planar
hybrid
Driver configuration
1 planar magnetic
-
Driver size
14.8 mm
10 mm
Drivers per side
1
-
Frequency response
-
20 Hz - 20 kHz
Impedance
16 Ω
32 Ω
Sensitivity
-
102 dB/mW
Active noise cancelling
-
Yes
Controls
-
buttons
Weight
-
28 g
USB-C
-
Yes
Connector
-
USB-C
Model code
-
RZ12-02780
Microphones
-
1
Microphone type
-
electret
Mic sensitivity
-
-42 dBV

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

Razer Hammerhead USB-C ANC

These wired USB-C in-ears combine a 10mm dynamic driver with a balanced armature for hybrid sound, plus active noise cancellation to cut ambient noise. The aluminum build and braided cable add durability, while a single button control keeps operation simple. They're a solid pick for mobile gamers or commuters wanting ANC in a wired USB-C format.

  • Pro:Hybrid dual-driver design for detailed audio
  • Pro:Active noise cancellation on a wired IEM
  • Pro:Durable aluminum housing with braided cable
  • Con:Limited to USB-C devices only
  • Con:Single-button controls may feel basic
  • Con:No inline volume or track skip options

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 UltraRazer Hammerhead USB-C ANC