CMF BY NOTHING CMF Buds 2a Wireless Earbuds Active Noise vs Sony ZX Series Wired On-Ear Headphones, Black MDR-ZX110
Updated August 2026 — CMF BY NOTHING CMF Buds 2a Wireless Earbuds Active Noise leads on battery and connectivity.
The CMF Buds 2a offer advanced features and superior sound quality, while the Sony ZX Series headphones provide great value for casual listeners.
Why CMF BY NOTHING CMF Buds 2a Wireless Earbuds Active Noise is better
Sound Quality
Studio-grade drivers and active noise cancelling.
Connectivity
Bluetooth 5.4 with multiple device support.
Portability
Wireless design with long battery life.
Why Sony ZX Series Wired On-Ear Headphones, Black MDR-ZX110 is better
Price
Significantly lower cost.
Comfort
Cushioned earpads for extended wear.
Storage
Swiveling earcup design for easy storage.
Overall score
Specifications
| Spec | CMF BY NOTHING CMF Buds 2a Wireless Earbuds Active Noise | Sony ZX Series Wired On-Ear Headphones, Black MDR-ZX110 |
|---|---|---|
| Driver Size | 12.4mm | 1.38in |
| Noise Cancelling | Yes | No |
| Bluetooth | 5.4 | No |
| Frequency Range | 20Hz-20kHz | 12Hz-22kHz |
| Weight | Lightweight | Lightweight |
Dimension comparison
Price Comparison
The CMF Buds 2a Wireless Earbuds are priced at $43.02, while the Sony ZX Series Wired On-Ear Headphones are significantly cheaper at $14.88. This makes the Sony headphones about 65% less expensive than the CMF Buds 2a. Given their price point, the Sony headphones are an attractive option for budget-conscious consumers. However, the price difference also reflects the features and technology offered by each product. The CMF Buds 2a provide advanced functionalities such as active noise cancelling and Bluetooth connectivity, which justify their higher price.
Design and Comfort
Both the CMF Buds 2a and Sony ZX Series headphones are designed with user comfort in mind, but they cater to different preferences. The CMF Buds 2a is recognized for its award-winning comfort and ergonomic design, featuring multiple in-ear tips to fit various ear shapes. In contrast, the Sony ZX Series headphones have cushioned earpads and a swiveling earcup design that enhances portability and comfort during travel. While both designs aim for a comfortable listening experience, the choice between in-ear versus on-ear will largely depend on personal preference.
Sound Quality
The CMF Buds 2a are equipped with studio-grade 12.4mm dynamic drivers that deliver a warm soundstage, rich mids, and thundering bass, alongside 42dB active noise cancelling for an immersive experience. The Sony ZX Series headphones feature lightweight 1.38-inch neodymium dynamic drivers, providing a punchy response across a wide frequency range of 12 Hz to 22 kHz. While both products promise quality sound, the Buds 2a’s active noise cancelling may appeal more to those seeking a more isolated listening experience, especially in noisy environments.
Portability
In terms of portability, the CMF Buds 2a shine with their wireless design and IP54 rating, making them suitable for active lifestyles. With a battery life of up to 15 days and quick charging capabilities, these earbuds are engineered for convenience. Conversely, the Sony ZX Series headphones are designed for travel with their swiveling earcup feature, allowing for easy storage. However, being wired does limit their portability compared to the wireless freedom offered by the CMF Buds 2a.
Connectivity
Connectivity options differ significantly between the two products. The CMF Buds 2a leverage Bluetooth 5.4 technology, which ensures a secure connection and features like Google Fast Pair and Microsoft Quick Switch for convenience. This allows users to connect seamlessly with multiple devices. On the other hand, the Sony ZX Series headphones have a traditional wired connection with a 3.5mm stereo mini plug. While the wired connection may provide consistent audio quality, it lacks the versatility and ease of use that wireless earbuds offer.
Intended Use
The intended use of each product highlights their target demographic. The CMF Buds 2a are designed for users who value active noise cancelling and advanced features suitable for sports and daily commutes. They are particularly appealing to those who frequently engage in activities where wireless convenience and sound isolation are paramount. The Sony ZX Series headphones, however, cater to casual listeners and travelers looking for a straightforward audio solution without the need for advanced technology, making them ideal for home use or on-the-go listening.
Brand Reputation
CMF BY NOTHING has positioned itself as a forward-thinking brand focused on innovative audio solutions, which is reflected in the design and technology of the Buds 2a. The product has a bestseller rank of 152, indicating a solid market presence. Sony, a well-established name in audio technology, brings decades of experience to the table with its ZX Series headphones, which boast a bestseller rank of 137. This established reputation lends credibility and assurance to consumers regarding the quality and reliability of the product.
Which should you buy?
Choosing between the CMF Buds 2a and the Sony ZX Series headphones ultimately depends on your specific needs and preferences. If you prioritize advanced features like active noise cancelling, wireless connectivity, and a customizable audio experience, the CMF Buds 2a may be the better choice despite their higher price of $43.02. However, if you are looking for a budget-friendly option that delivers decent sound quality for everyday use, the Sony ZX Series headphones at $14.88 offer great value, especially for casual listeners. Each product has its strengths, so consider what matters most in your listening experience before making a decision.

