Beats Solo 4 vs CMF BY NOTHING CMF Buds 2a Wireless Earbuds Active Noise
Updated July 2026 — Beats Solo 4 wins on battery and sound, CMF BY NOTHING CMF Buds 2a Wireless Earbuds Active Noise wins on price and call quality.
The Beats Solo 4 offers superior sound quality and battery life, while the CMF Buds 2a provides excellent value and comfort for active users.
Why Beats Solo 4 is better
Sound Quality
Beats Solo 4 has custom acoustic architecture for powerful sound.
Battery Life
Beats Solo 4 offers up to 50 hours of battery life.
Brand Reputation
Beats has a strong market presence and trust among consumers.
Why CMF BY NOTHING CMF Buds 2a Wireless Earbuds Active Noise is better
Price
CMF Buds 2a is significantly cheaper at $43.02.
Portability
CMF Buds 2a is lightweight and designed for active use.
Noise Cancelling
CMF Buds 2a features active noise cancelling technology.
Overall score
Specifications
| Spec | Beats Solo 4 | CMF BY NOTHING CMF Buds 2a Wireless Earbuds Active Noise |
|---|---|---|
| Battery Life | Up to 50 hours | 8 hours (35.5 with case) |
| Drivers | Custom acoustic drivers | 12.4mm dynamic drivers |
| Noise Cancelling | No | 42dB Active ANC |
| Bluetooth Version | Class 1 | Bluetooth 5.4 |
| Weight | Lightweight | Lightweight |
Dimension comparison
Design and Comfort
The Beats Solo 4 boasts a sleek on-ear design that prioritizes comfort and stability, while the CMF Buds 2a features a lightweight and ergonomic in-ear style. The Beats Solo 4 is designed for all-day wear with UltraPlush ear cushions and an ultralight grip, making it suitable for prolonged use. In contrast, the CMF Buds 2a comes with multiple ear tip sizes to ensure a snug fit for various ear shapes, enhancing comfort during active use. The CMF Buds 2a is also IP54 rated, making it resistant to sweat and dust, which is a significant advantage for those who lead an active lifestyle.
Sound Quality
When it comes to sound performance, both models offer unique strengths. The Beats Solo 4 is equipped with custom acoustic architecture and updated drivers that provide powerful and balanced sound, along with Personalized Spatial Audio for immersive listening experiences. On the other hand, the CMF Buds 2a features 12.4mm dynamic drivers that deliver a warm soundstage with rich mids and deep bass, enhanced by DIRAC technology for studio-grade audio. While the Beats Solo 4 focuses on delivering an all-around sound, the CMF Buds 2a leans towards robust bass and clear audio during calls with its quad HD ENC microphones.
Battery Life
Battery life is a significant differentiator between these two products. The Beats Solo 4 offers an impressive up to 50 hours of battery life, making it ideal for long listening sessions without the need for frequent recharging. Additionally, its Fast Fuel feature provides up to 5 hours of playback with just a quick 10-minute charge. In contrast, the CMF Buds 2a delivers approximately 8 hours of playtime on a single charge, with a total of 35.5 hours when including the charging case. While the CMF Buds 2a has decent battery life, it is considerably less than what the Beats Solo 4 offers.
Connectivity
Both headphones offer reliable Bluetooth connectivity, but they differ slightly in their technological advantages. The Beats Solo 4 utilizes industry-leading Class 1 Bluetooth for an extended range and fewer dropouts, ensuring a stable connection during use. It also features one-touch pairing with both iOS and Android devices, enhancing user convenience. Meanwhile, the CMF Buds 2a boasts Bluetooth 5.4, which provides a secure connection with a Fast Pair feature, allowing for quick connections to devices. The dual device connectivity feature is an additional perk for users who frequently switch between devices.
Call Quality
In terms of call quality, the CMF Buds 2a has a distinct advantage with its four microphones equipped with "Clear Voice Tech" and "Wind Noise Reduction 2.0." This setup is designed to ensure clear communication in various environments, making it a solid choice for users who take calls frequently. The Beats Solo 4 also offers high-quality call performance through its built-in microphone, but it does not emphasize the same level of advanced microphone technology as the CMF Buds 2a. Therefore, for individuals prioritizing call clarity, the CMF Buds 2a stands out.
Pricing
Price is a crucial consideration when comparing these two products. The Beats Solo 4 is priced at $129.95, while the CMF Buds 2a is significantly cheaper at $43.02, making it about 67% less expensive. This substantial price difference means that consumers on a budget might lean towards the CMF Buds 2a for basic functionality without compromising entirely on sound quality or comfort. However, those looking for premium features and superior performance may find the investment in the Beats Solo 4 justifiable.
Brand Reputation and Sales Rank
The Beats Solo 4 has a sales rank of 28, indicating its popularity and strong market presence within its category. This suggests a level of trust and recognition among consumers. CMF Buds 2a, with a sales rank of 152, may not hold the same level of esteem, but it still offers a well-regarded product at a lower price point. The established reputation of Beats as a leading brand in the headphone industry may influence buyers when considering long-term reliability and support.
Which should you buy?
Choosing between the Beats Solo 4 and the CMF Buds 2a ultimately depends on your specific needs and budget. If you are looking for superior sound quality, extended battery life, and a comfortable design for long listening sessions, the Beats Solo 4 is the better choice despite its higher price tag of $129.95. However, if you prioritize affordability, decent sound quality, and active noise cancellation for daily use, the CMF Buds 2a at $43.02 offers excellent value. Consider your listening habits and requirements carefully to make the best choice for your lifestyle.

