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42 dB Hybrid Active Noise Cancellation: Blocks ambient noise effectively up to 2900 Hz, perfect for commuting or focusing in busy spaces.adatun.comNotebookcheck
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Dirac-tuned sound & Ultra Bass Technology 2.0: 12.4 mm bio-fiber drivers deliver rich mids and thundering, refined bass for immersive listening.Notebookcheckadatun.com
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Clear, crisp calls: Four HD microphones equipped with Clear Voice Technology and Wind Noise Reduction 2.0 ensure your voice comes through clearly in any environment.Notebookcheckadatun.com
Standout Features & Specs
| Feature | Details |
|---|---|
| Battery Life | Up to 8 hrs (ANC off) per charge; total of 35.5 hrs with case.Gadgets 360Notebookcheck |
| Quick Charging | 10-minute charge delivers ~5.5 hrs of playback (ANC off).NotebookcheckNothing Tech |
| Build & Comfort | Light, ergonomic in-ear design with IP54-rated earbuds—durable for everyday use. Case features a handy lanyard hole.NotebookcheckNothing Community+1 |
| Connectivity | Bluetooth (likely 5-series), multipoint pairing, and Low Lag mode particularly when paired with Nothing phones.NotebookcheckNothing Tech |
Real-World Insights
Pros:
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Great value for money—priced around €39.95 (~$39) or ₹2,199 in India.NotebookcheckGadgets 360
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Impressive audio performance: Users praise the soundstage and bass presence.Nothing CommunityOwnPetz
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Nothing X app support: Offers customizable controls and EQ—even without forced login.Nothing Community
Cons:
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ANC limitations: Less effective outdoors; users noted occasional “leakage” where ambient sound suddenly slips through. Switching between Transparency and ANC sometimes required.Nothing Community
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Size considerations: Earbuds may feel bulky for some; a firmer fit is needed via ear-tip and twist-adjustment.Nothing Community+1
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No wear detection: Misses automatic pause/play when removing the earbuds.Nothing Community
Position Among Budget Buds
In the CMF lineup (released 28 April 2025), the Buds 2a is the entry-level model, followed by Buds 2 (mid-tier) and Buds 2 Plus (top-tier). The Buds 2a offers:
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Up to 8 hrs ANC-off playback (vs 13.5 hrs on Buds 2, 14 hrs on Buds 2 Plus)
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Four mics, compared to six on higher tiers (affecting call clarity and wind noise suppression)
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No spatial audio, which Buds 2 and 2 Plus supportGizmodoSoundGuysNotebookcheck
Verdict
The CMF Buds 2a offer remarkable value and functionality at their price:
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Perfect for: Users seeking budget-friendly ANC, energetic bass, lightweight comfort, and solid battery life.
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Consider alternatives if: You want stronger ANC, more mics for calls, or spatial audio features.