The CMF Buds 2a are wireless earbuds from CMF by Nothing priced under $40, and they punch far above their weight class in a crowded budget audio market. After hands-on testing, these earbuds deliver three standout strengths that make them genuinely competitive with pricier rivals, alongside two notable weaknesses that remind you exactly what budget corners were cut.
Key Takeaways
- CMF Buds 2a cost under $40 and deliver audio quality that rivals much pricier earbuds.
- Three major strengths: impressive sound clarity, comfortable fit, and reliable connectivity.
- Two significant drawbacks: build durability concerns and limited battery endurance.
- Budget earbuds from Nothing’s sub-brand challenge the expectation that cheap means compromised.
- Worth buying if audio quality matters more than premium materials and longevity.
What Makes the CMF Buds 2a Stand Out
The CMF Buds 2a punch above their price point in ways that matter most to listeners. For under $40, you get earbuds that sound genuinely good—crisp mids, punchy bass, and clear highs that don’t fatigue your ears over long sessions. The tuning feels balanced rather than bass-heavy or treble-forward, which is rare at this price tier. Most sub-$40 earbuds either boom or screech; these find middle ground.
Compared to Nothing’s own Ear (3) line, which emphasizes stylish design alongside sound, the CMF Buds 2a strip away aesthetic flourishes to prioritize audio performance and affordability. That trade-off works. The fit is secure without being uncomfortable, and the passive isolation blocks enough ambient noise to make them usable on commutes or in offices without feeling isolating.
Three Things That Work Exceptionally Well
Sound quality is the first win. The CMF Buds 2a deliver clarity and balance that cost-conscious listeners rarely find at this price. Vocals sit forward, instruments spread across a believable soundstage, and the bass doesn’t muddy the mix. This is not high-end audio, but it is honest audio—no artificial enhancement trying to compensate for cheap drivers.
Comfort and fit form the second strength. The earbuds come with multiple silicone tips, and finding your perfect seal takes minutes. Once locked in, they stay put through workouts, commutes, and casual wear. No constant readjustment, no pressure points after an hour. This matters more than reviewers often admit—uncomfortable earbuds get abandoned, no matter how good they sound.
Reliable Bluetooth connectivity is the third positive. Pairing is instant, switching between devices works smoothly, and drop-outs are rare even in crowded wireless environments. The connection stability rivals earbuds costing three times the price, which is genuinely impressive engineering at this price point.
Two Critical Weaknesses You Should Know
Build durability raises concerns. The plastic housing feels thin, and the charging case feels flimsy compared to more expensive alternatives. These are not earbuds you’ll confidently toss in a backpack or pocket—they demand gentle handling. If you’re rough with gear, the CMF Buds 2a may not survive a full year of daily use.
Battery endurance is the second major limitation. Real-world listening yields roughly 4-5 hours per charge before the earbuds need the case, and the case itself holds only a few full recharges before you need wall power. For all-day travelers or people who forget to charge devices, this is a genuine hassle. Premium earbuds at double the price offer 8+ hours, making the battery gap a tangible trade-off.
CMF Buds 2a vs. the Broader Budget Earbud Market
Budget earbuds have improved dramatically in the past two years, but the CMF Buds 2a represent a sweet spot. They outperform the typical sub-$30 options that prioritize novelty over audio quality, yet cost less than budget-tier offerings from established brands like Anker or Soundcore. The Nothing brand carries less retail presence than those competitors in some regions, which may affect availability and customer support, but the product itself competes directly on sound and reliability.
The real competition for the CMF Buds 2a is not other sub-$40 earbuds—it’s the question of whether you should stretch budget to $60-80 for something with better battery and durability. That depends entirely on your priorities. If you value audio quality above all else and replace earbuds every 18-24 months anyway, the CMF Buds 2a are a no-brainer. If you want something that lasts five years, save more.
Should You Buy the CMF Buds 2a?
Buy them if you want the best sound for under $40 and don’t mind replacing them in a couple of years. Skip them if you need all-day battery life or plan to use them in harsh conditions. They are genuinely impressive budget earbuds—just not indestructible ones.
What’s the battery life on the CMF Buds 2a?
The earbuds deliver roughly 4-5 hours per charge, with the case providing a few additional full recharges before needing wall power. This is shorter than premium earbuds but typical for the budget segment.
How do the CMF Buds 2a compare to other Nothing products?
The CMF Buds 2a prioritize audio quality and affordability, while Nothing’s Ear (3) line emphasizes stylish design alongside sound. The CMF variant strips away aesthetic flourishes to hit a lower price point without sacrificing core audio performance.
The CMF Buds 2a prove that budget earbuds don’t have to sound cheap. They deliver genuine audio quality, comfortable fit, and reliable connectivity for under $40—making them a rare find in a market where price usually means compromise. The durability and battery concerns are real, but they are trade-offs rather than failures. If you are shopping for affordable earbuds and value sound above longevity, the CMF Buds 2a deserve serious consideration.
Where to Buy
CMF Buds 2a are available on Amazon U.S. for $39 | CMF BY NOTHING Buds 2a:
Edited by the All Things Geek team.
Source: Tom's Guide
