Skip to content
HearWiki

1MORE Quad Driver 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.

Score breakdown

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

Letshuoer S12 Ultra leads on 3 of 5 measures.

  • 1MORE Quad Driver
  • Letshuoer S12 Ultra
HearWiki score
65
83
Sound
7.2
8.6
Calls
5.8
-
Value
5.9
8.9
Price (USD)
$160
$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 5 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 5 years between them, that is a thin return - treat this as a restyle rather than a new platform.

  • Quad Driver2020
  • S12 Ultra20255 yr newer

Specifications

Quad DriverS12 Ultra
Type
Wired IEMs
Wired IEMs
Price (USD)
$160
$170
HearWiki score
65
83
Released
2020
2025
Availability
Still sold new
Sold new
Driver
1DD + 3BA hybrid
1 planar magnetic
Driver type
hybrid
planar
Driver configuration
1DD + 3BA
1 planar magnetic
Driver size
-
14.8 mm
Drivers per side
4
1
Frequency response
20 Hz - 40 kHz
-
Impedance
32 Ω
16 Ω
Sensitivity
99 dB/mW
-
Active noise cancelling
No
-
Controls
buttons
-
Weight
18.5 g
-
Water resistance
none
-
USB-C
No
-
Connector
3.5 mm
-
Model code
E1010
-
Microphones
1
-
Microphone type
MEMS
-

What reviewers said

1MORE Quad Driver

The 1MORE Quad Driver is a wired hybrid IEM that combines a dynamic driver with three balanced armatures for detailed, bass-forward sound. It offers a lightweight, portable build and a neutral tuning, though its soundstage is narrow and isolation is below average. While it's a solid performer with Hi-Res support, its higher price over the Triple Driver may not translate into a significant upgrade for everyone.

  • Pro:Detailed hybrid sound with strong bass texture and resolution
  • Pro:Lightweight and portable design with decent build quality
  • Pro:Wide 20 Hz - 40 kHz frequency response with Hi-Res support
  • Con:Poor soundstage and sub-par noise isolation
  • Con:Earbuds can feel large and less comfortable for some
  • Con:Cable is thin and prone to microphonics

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.

Compare something else

Swap either side out, or start again from the picker.

New comparison1MORE Quad DriverLetshuoer S12 Ultra