CMF BY NOTHING CMF Buds 2a Wireless Earbuds Active Noise vs JBL Tune 510BT - Bluetooth headphones with up to
Updated July 2026 — CMF BY NOTHING CMF Buds 2a Wireless Earbuds Active Noise wins on sound and durability, JBL Tune 510BT - Bluetooth headphones with up to wins on battery and price.
The CMF Buds 2a excel in sound quality and call features, while the JBL Tune 510BT offers superior battery life and affordability.
Why CMF BY NOTHING CMF Buds 2a Wireless Earbuds Active Noise is better
Sound Quality
Studio-grade audio with rich mids and bass
Call Quality
Advanced microphone technology for clear calls
Durability
IP54 rating for sweat and dust resistance
Why JBL Tune 510BT - Bluetooth headphones with up to is better
Battery Life
Up to 40 hours of use without frequent recharging
Price
More affordable option at $29.95
Weight
Lightweight design for comfort during extended use
Overall score
Specifications
| Spec | CMF BY NOTHING CMF Buds 2a Wireless Earbuds Active Noise | JBL Tune 510BT - Bluetooth headphones with up to |
|---|---|---|
| Bluetooth Version | 5.4 | 5.0 |
| Battery Life | 43.5 hours | 40 hours |
| Microphone | Quad HD ENC | On ear cup |
| Weight | Lightweight | Lightweight |
| Water Resistance | IP54 | None |
Dimension comparison
Design and Comfort
The design and comfort of a headphone can significantly affect the listening experience, and both the CMF Buds 2a and JBL Tune 510BT offer unique advantages in this area. The CMF Buds 2a are celebrated for their award-winning comfort, featuring an ergonomic design that accommodates various ear shapes with multiple in-ear tips. This makes them particularly suitable for long listening sessions. In contrast, the JBL Tune 510BT features an adjustable headband designed to fit nearly any head size comfortably. While the CMF Buds 2a focus on in-ear comfort, the JBL model offers the convenience of an on-ear design, appealing to users who prefer this style.
Sound Quality
When it comes to sound quality, the CMF Buds 2a leverage DIRAC's expertise, offering studio-grade 12.4mm Bio-fiber drivers that deliver a warm soundstage with rich mids and thundering bass. This promises a high-quality listening experience for music lovers. On the other hand, the JBL Tune 510BT is equipped with JBL Pure Bass sound, known for its powerful and immersive audio. While both models prioritize sound quality, the CMF Buds 2a may appeal more to audiophiles seeking a tailored sound profile, whereas the JBL Tune 510BT attracts those who enjoy a bass-heavy listening experience.
Battery Life
Battery life is a crucial aspect for wireless headphones, and here the JBL Tune 510BT has a distinct advantage. With up to 40 hours of battery life, it allows for extended use without frequent recharging. In comparison, the CMF Buds 2a offer about 8 hours of playtime with an additional 35.5 hours available through the charging case. This means that while the CMF Buds 2a can last for a total of 43.5 hours, it requires the case for extended use, making the JBL model more appealing for users who prioritize long battery life during daily commutes or travel.
Connectivity Features
Connectivity features can enhance the overall user experience, and both models excel in this regard. The CMF Buds 2a utilize Bluetooth 5.4 for a secure connection and include a Fast Pair feature for quick accessibility. They also support dual device connectivity, allowing users to switch seamlessly between devices. Meanwhile, the JBL Tune 510BT also offers Bluetooth connectivity with the added benefit of being able to switch between two devices, ensuring that users can manage calls without missing a beat. Both headphones cater well to users who value ease of connectivity, with the CMF Buds 2a providing a few more advanced options.
Call Quality
For users who frequently make calls, both models provide enhanced call quality features. The CMF Buds 2a are equipped with Quad HD ENC microphones, featuring "Clear Voice Tech" and "Wind Noise Reduction 2.0," ensuring clear communication in various environments. This makes them particularly suitable for outdoor use. The JBL Tune 510BT includes a microphone on the ear cup for hands-free calls, providing a convenient way to manage calls directly from the headphones. While both headphones offer solid call capabilities, the CMF Buds 2a appear to have the edge with their advanced microphone technology.
Durability and Use Case
Durability is another consideration when choosing headphones. The CMF Buds 2a come with an IP54 rating, making them resistant to sweat and dust, which is ideal for active users. They are designed for uninterrupted active lifestyles, ensuring they can withstand the rigors of daily use. The JBL Tune 510BT, while lightweight and comfortable, does not have a specified durability rating. This makes the CMF Buds 2a a better option for those who plan to use their headphones during workouts or in outdoor settings.
Price Comparison
Price can often be a deciding factor for many consumers. The CMF Buds 2a are priced at $43.02, while the JBL Tune 510BT is more affordable at $29.95, making it about 30% cheaper. With the JBL model also ranking higher as a bestseller (ranked 32 compared to the CMF Buds 2a's rank of 152), it may appeal more to budget-conscious consumers seeking reliable quality at a lower price point. However, the CMF Buds 2a may justify their higher price with advanced features and sound quality.
Which should you buy?
Choosing between the CMF Buds 2a and the JBL Tune 510BT ultimately depends on your specific needs and preferences. If you value superior sound quality, advanced call features, and a design tailored for comfort, the CMF Buds 2a may be the better choice despite their higher price. However, if long battery life, affordability, and a lightweight design are more important to you, the JBL Tune 510BT stands out as a commendable option. Consider your listening habits and intended use to make the best decision for your lifestyle.

