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KZ ES4 vs Tangzu Wan'er S.G: which should you buy?

Specs, scores and condensed review verdicts for the KZ ES4 vs Tangzu Wan'er S.G, 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.

Tangzu Wan'er S.G leads on 3 of 4 measures.

  • KZ ES4
  • Tangzu Wan'er S.G
HearWiki score
-
79
Sound
-
7.8
Value
-
9.3
Price (USD)
$10
$19

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 Tangzu Wan'er S.G is 3 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 3 years between them, that is a thin return - treat this as a restyle rather than a new platform.

  • ES42019
  • Wan'er S.G20223 yr newer

Specifications

ES4Wan'er S.G
Type
Wired IEMs
Wired IEMs
Price (USD)
$10
$19
HearWiki score
Not scored
79
Released
2019
2022
Availability
Discontinued
Still sold new
Driver
1DD + 1BA hybrid
10 mm dynamic
Driver type
hybrid
dynamic
Driver configuration
1DD + 1BA
-
Driver size
10 mm
10 mm
Drivers per side
2
1
Frequency response
20 Hz - 40 kHz
20 Hz - 20 kHz
Impedance
25 Ω
20 Ω
Sensitivity
104 dB/mW
107 dB/mW
Active noise cancelling
No
No
ANC type
-
none
Transparency mode
-
No
Companion app
-
No
Custom EQ
-
No
Wear detection
-
No
Controls
-
none
Weight
20 g
4.2 g
Detachable cable
Yes
Yes
USB-C
-
No
Connector
3.5 mm
2-pin 0.78 mm
Model code
-
Tangzu Wan'er Studio Edition

What reviewers said

KZ ES4

The KZ ES4 is a budget-friendly hybrid in-ear monitor that pairs a 10mm dynamic driver with a balanced armature to deliver a punchy, bass-forward sound with crisp treble. Its lightweight plastic build and detachable cable add practicality, while the wired 3.5mm connection keeps things simple for budget audiophiles.

  • Pro:Strong, impactful bass response
  • Pro:Detachable cable for easy replacement
  • Pro:Lightweight and comfortable design
  • Con:No active noise cancellation
  • Con:Plastic housing may feel less premium
  • Con:Bass-heavy tuning may overwhelm some genres

Tangzu Wan'er S.G

The Tangzu Wan'er S.G. is a budget-friendly wired IEM that focuses on delivering a pleasant, warm-leaning sound signature and solid build quality for its price. While it offers strong value with a comfortable fit and agreeable tuning, its technical performance—such as detail retrieval and high-frequency extension—is only average compared to pricier competitors.

  • Pro:Affordable price with strong overall value
  • Pro:Comfortable fit for extended listening
  • Pro:Warm and pleasing tonal balance
  • Con:Average technical performance and detail resolution
  • Con:High frequencies can be limited
  • Con:No included controls or app support

Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.

Compare something else

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New comparisonKZ ES4Tangzu Wan'er S.G