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DUNU DN-242 vs Westone MACH 40: which should you buy?

On aggregated review scores the DUNU DN-242 comes out ahead with a HearWiki score of 84. The full breakdown - sub-scores, specs and what reviewers actually said - is below.

Our pick: DUNU DN-242 - Outstanding overall at around $349.

Score breakdown

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

DUNU DN-242 leads on 4 of 4 measures.

  • DUNU DN-242
  • Westone MACH 40
HearWiki score
84
50
Sound
8.7
5.8
Value
7.8
3.0
Price (USD)
$350
$460

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 DUNU DN-242 is 4 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 4 years between them, that is a thin return - treat this as a restyle rather than a new platform.

  • DN-24220264 yr newer
  • MACH 402022

Specifications

DN-242MACH 40
Type
Wired IEMs
Wired IEMs
Price (USD)
$350
$460
HearWiki score
84
50
Released
2026
2022
Availability
Sold new
Still sold new
Driver
2DD + 4BA + 2PL tribrid
4-driver hybrid
Driver type
tribrid
hybrid
Driver configuration
2DD + 4BA + 2PL
-
Driver size
10 mm
-
Drivers per side
8
4
Frequency response
5 Hz - 40 kHz
10 Hz - 20 kHz
Sound signature
-
v-shaped
Impedance
35 Ω
30 Ω
Sensitivity
110 dB/mW
100 dB/mW
Active noise cancelling
No
No
ANC type
none
-
Transparency mode
No
-
Companion app
No
-
Custom EQ
No
-
Wear detection
No
-
Controls
none
-
Voice assistant
No
-
Weight
6 g
-
Water resistance
none
-
Foldable
No
-
Detachable cable
Yes
Yes
USB-C
No
No
Connector
2-pin 0.78 mm
-

What reviewers said

DUNU DN-242

The DUNU DN-242 is a premium wired in-ear monitor built around an eight-driver tribrid configuration, combining dual dynamics, four balanced armatures, and two planar drivers through a five-way crossover for a cohesive, natural sound. Its lightweight 6-gram build and interchangeable 2-pin connector system add practical versatility for audiophile use. Launched in 2024, this model targets listeners seeking detailed, multi-driver tuning without wireless features or onboard controls.

  • Pro:Complex tribrid driver array for layered, detailed sound
  • Pro:Very lightweight at just 6 grams for extended comfort
  • Pro:Interchangeable 2-pin connector adds cable flexibility
  • Con:No active noise cancellation or transparency mode
  • Con:No inline controls or app support for adjustments
  • Con:Requires a separate amplifier for optimal performance due to 35-ohm impedance

Westone MACH 40

The Westone MACH 40 is a wired, four-driver hybrid in-ear monitor with a v-shaped signature that prioritizes smoothness and comfort over raw excitement. Its warm, laid-back tuning makes it easy to listen to for long sessions, though it requires a decent source to perform at its best due to moderate sensitivity. The overall presentation is natural and fatigue-free, but it sacrifices some treble sparkle and soundstage width for a more intimate, relaxed character.

  • Pro:Cohesive, non-fatiguing tuning that blends instruments smoothly
  • Pro:Strong vocal and acoustic performance with a warm, smooth character
  • Pro:Comfortable fit and easy listening for extended sessions
  • Con:Requires extra amplification due to low sensitivity and 30-ohm impedance
  • Con:Subdued treble and recessed upper mids can make vocals sound muffled
  • Con:Intimate soundstage and less dynamic impact compared to competitors

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 comparisonDUNU DN-242Westone MACH 40