Wired IEMs
CrinEar Reference
86Outstanding
$350
Full review dataCrinEar Reference vs Soundcore Sleep A30: which should you buy?
On aggregated review scores the CrinEar Reference comes out ahead with a HearWiki score of 86. The full breakdown - sub-scores, specs and what reviewers actually said - is below.
Our pick: CrinEar Reference - Outstanding overall at around $350.
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.
Soundcore Sleep A30 leads on 4 of 7 measures.
- CrinEar Reference
- Soundcore Sleep A30
HearWiki score
86
77
Sound
9.1
6.9
Noise cancelling
-
7.8
Battery
-
7.0
Calls
-
6.5
Value
8.9
6.8
Price (USD)
$350
$200
Specifications
ReferenceSleep A30
- Type
- Wired IEMs
- Wired IEMs
- Price (USD)
- $350
- $200
- HearWiki score
- 86
- 77
- Released
- 2026
- 2025
- Availability
- Sold new
- Sold new
- Driver
- 2DD + 3BA hybrid
- 4.6 mm dynamic
- Driver type
- hybrid
- dynamic
- Driver configuration
- 2DD + 3BA
- -
- Driver size
- 10 mm
- 4.6 mm
- Drivers per side
- 5
- 1
- Frequency response
- -
- 20 Hz - 20 kHz
- Impedance
- 16 Ω
- 13.5 Ω
- Sensitivity
- 104 dB/mW
- -
- 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
- -
- 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
- 4.4 mm balanced
- -
- Microphones
- -
- 1
What reviewers said
CrinEar Reference
The CrinEar Reference is a wired in-ear monitor with a hybrid 2DD + 3BA driver setup, offering a balanced and detailed sound signature. It features a detachable 4.4mm balanced cable and relies on a tight seal for passive isolation, making it a strong choice for critical listening at its price point.
- Pro:Hybrid driver configuration delivers rich, layered sound
- Pro:Detachable 4.4mm balanced cable for flexible connectivity
- Pro:Good passive isolation from proper eartip seal
- Con:No active noise cancellation, so external noise isn't fully blocked
- Con:Requires a balanced source to fully utilize the 4.4mm connector
- Con:Fit may be finicky for some users to achieve optimal seal
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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