Wired IEMs
Cozoy D2
81Outstanding
$55
Full review dataCozoy D2 vs Sennheiser MOMENTUM 2 In-Ear: which should you buy?
On aggregated review scores the Cozoy D2 comes out ahead with a HearWiki score of 81. The full breakdown - sub-scores, specs and what reviewers actually said - is below.
Our pick: Cozoy D2 - Outstanding overall at around $55.
Wired IEMs
Sennheiser MOMENTUM 2 In-Ear
60Average
$75
Full review dataScore breakdown
Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.
Cozoy D2 leads on 4 of 7 measures.
- Cozoy D2
- Sennheiser MOMENTUM 2 In-Ear
HearWiki score
81
60
Sound
8.5
7.8
Noise cancelling
-
4.9
Battery
-
4.9
Calls
-
5.6
Value
9.0
-
Price (USD)
$55
$75
Specifications
D2MOMENTUM 2 In-Ear
- Type
- Wired IEMs
- Wired IEMs
- Price (USD)
- $55
- $75
- HearWiki score
- 81
- 60
- Released
- 2026
- 2020
- Availability
- Sold new
- Still sold new
- Driver
- 2DD
- 7 mm dynamic
- Driver type
- dynamic
- dynamic
- Driver configuration
- 2DD
- -
- Driver size
- -
- 7 mm
- Drivers per side
- 2
- -
- Frequency response
- -
- 5 Hz - 21 kHz
- Impedance
- 20 Ω
- 18 Ω
- Sensitivity
- -
- 118 dB/mW
- Bluetooth
- -
- 4.1
- Codecs
- -
- SBC, AAC, aptX
- Multipoint pairing
- -
- No
- Battery life
- -
- 10 h
- Full charge time
- -
- 90 min
- Quick charge
- -
- 10 min → 1.5 h
- Active noise cancelling
- -
- Yes
- Transparency mode
- -
- Yes
- Companion app
- -
- Yes
- Custom EQ
- -
- Yes
- Wear detection
- -
- Yes
- Controls
- -
- touch
- Voice assistant
- -
- Yes
- Weight
- -
- 12 g
- Water resistance
- -
- IPX4
- USB-C
- -
- Yes
- Connector
- 2-pin 0.78 mm
- -
- Model code
- -
- MOMENTUM True Wireless 2
- Microphones
- -
- 2
What reviewers said
Cozoy D2
The Cozoy D2 is a budget-friendly wired IEM that pairs a 6 mm beryllium driver with a 10 mm graphene-composite driver for a dual-dynamic setup. It offers a flexible connection via a 2-pin 0.78 mm cable that includes swappable 3.5 mm and 4.4 mm plugs, catering to both standard and balanced sources. With a 20-ohm impedance, it's easy to drive from most devices.
- Pro:Dual-driver hybrid design for detailed sound
- Pro:Interchangeable 3.5 mm and 4.4 mm plugs
- Pro:Low impedance (20 ohms) for easy pairing
- Con:No active noise cancellation
- Con:Wired only, limiting portability
- Con:Budget build may not suit all users
Sennheiser MOMENTUM 2 In-Ear
These wireless in-ear headphones from Sennheiser offer a solid blend of sound quality and active noise cancellation in a compact, secure fit. With support for aptX and a customizable EQ, they provide good flexibility, though the Bluetooth version and battery life are more dated compared to newer models. They are a practical choice for those prioritizing audio performance and portability over the latest connectivity features.
- Pro:Effective active noise cancellation
- Pro:Secure and comfortable in-ear fit
- Pro:Customizable EQ via companion app
- Con:Battery life is modest at 10 hours
- Con:Older Bluetooth 4.1 limits multi-device use
- Con:No multipoint connection for seamless switching
Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.
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