Wired IEMs
Kiwi Ears KE4
84Outstanding
$200
Full review dataKiwi Ears KE4 vs Soundcore Sleep A30: which should you buy?
On aggregated review scores the Kiwi Ears KE4 comes out ahead with a HearWiki score of 84. The full breakdown - sub-scores, specs and what reviewers actually said - is below.
Our pick: Kiwi Ears KE4 - Outstanding overall at around $199.
Wired IEMs
Soundcore Sleep A30
77Great
$200
Full review dataScore breakdown
Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.
Kiwi Ears KE4 leads on 4 of 7 measures.
- Kiwi Ears KE4
- Soundcore Sleep A30
HearWiki score
84
77
Sound
8.6
6.9
Noise cancelling
-
7.8
Battery
-
7.0
Calls
-
6.5
Value
8.6
6.8
Price (USD)
$200
$200
Specifications
KE4Sleep A30
- Type
- Wired IEMs
- Wired IEMs
- Price (USD)
- $200
- $200
- HearWiki score
- 84
- 77
- Released
- 2024
- 2025
- Availability
- Still sold new
- Sold new
- Driver
- 2DD + 2BA hybrid
- 4.6 mm dynamic
- Driver type
- hybrid
- dynamic
- Driver configuration
- 2DD + 2BA
- -
- Driver size
- 10 mm
- 4.6 mm
- Drivers per side
- 4
- 1
- Frequency response
- -
- 20 Hz - 20 kHz
- Impedance
- 28 Ω
- 13.5 Ω
- Bluetooth
- -
- 5.4
- Codecs
- -
- SBC, AAC
- Multipoint pairing
- -
- No
- Wireless range
- -
- 10 m
- Battery life
- -
- 9 h
- Battery life (ANC on)
- -
- 7 h
- Battery incl. case
- -
- 45 h
- Full charge time
- -
- 90 min
- Quick charge
- -
- none
- Wireless charging
- -
- No
- Active noise cancelling
- No
- Yes
- Transparency mode
- -
- No
- Companion app
- -
- Yes
- Custom EQ
- -
- No
- Wear detection
- -
- No
- Controls
- -
- touch
- Voice assistant
- -
- Yes
- Weight
- -
- 3 g
- Water resistance
- -
- IPX4
- Detachable cable
- Yes
- -
- USB-C
- -
- Yes
- Connector
- 3.5 mm
- -
- Microphones
- -
- 1
What reviewers said
Kiwi Ears KE4
The Kiwi Ears KE4 is a wired hybrid IEM that offers a balanced, relaxing sound with a distinct twist on the popular 'New Meta' tuning, adding extra bass and treble sparkle. It delivers solid midrange clarity and a comfortable fit, making it a versatile choice for many genres, though its smooth presentation may not excite those seeking aggressive or highly dynamic sound.
- Pro:Well-balanced hybrid tuning with rich lower mids and airy treble
- Pro:Comfortable fit and broad genre versatility
- Pro:Good resolution and clarity for its price
- Con:Sub-bass can get overpowering at times
- Con:Limited resolving power and dynamic impact
- Con:Smooth tuning may feel less exciting than V-shaped alternatives
Soundcore Sleep A30
The Soundcore Sleep A30 are specialized sleep earbuds designed to block nighttime noise with active noise cancellation and a lightweight, comfortable fit. They offer solid battery life, automatic sleep tracking, and app-based features, but focus on rest rather than general-purpose audio use. While effective for their niche, they carry a premium price and have some practical limitations like a bulky case and basic codec support.
- Pro:Excellent comfort for side sleepers
- Pro:Effective ANC for low-frequency noise
- Pro:Long battery life with charging case
- Con:No Bluetooth multipoint
- Con:Limited to SBC and AAC codecs
- Con:Large case with bright LED lights
Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.
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