The CMF Buds 2 Plus are budget-friendly wireless earbuds made by Nothing, featuring active noise cancellation, Hi-Res audio support, and a 460mAh charging case that extends playback to 8.5 hours. Now discounted 30% during Amazon’s Big Spring Sale, they cost around $70—a price point that makes flagship-level features accessible to everyday listeners.
Key Takeaways
- CMF Buds 2 Plus deliver 50dB active noise cancellation with 12mm drivers and LDAC Hi-Res audio support
- Fast charge: 10 minutes yields 4.5 hours playback without case, 8.5 hours with case
- 6 HD mics with AI noise reduction and Clear Voice Technology 3.0 for calls in quiet environments
- Smart ANC algorithm adapts to wearing conditions when in-ear detection is enabled
- Customizable personal sound profile via Nothing X app with hearing test feature
CMF Buds 2 Plus Sound Quality and Noise Cancellation
The CMF Buds 2 Plus upgrade the predecessor’s 11mm driver to a larger 12mm LCP or PMI driver, which handles high-frequency detail better and improves ambient noise isolation. The 50dB active noise cancellation targets the 5400Hz frequency range, outperforming the CMF Buds 2’s 48dB at 5200Hz. However, measured performance shows roughly 40dB maximum ANC in real-world conditions, with slightly weaker low-end rumble compared to the CMF Buds Pro 2. The earbuds shine in mid and treble clarity—SoundGuys notes cleaner mids and treble reproduction, though some listeners find the sound profile less warm than competitors.
The Smart ANC algorithm activates automatically when you wear the earbuds in High ANC mode with in-ear detection enabled, provided wind noise stays below 3 meters per second and you avoid chewing within 3 seconds of insertion. This strict condition set can limit real-world reliability in noisy commutes or windy outdoor settings, so manual ANC mode selection remains the safest option for consistent performance.
Battery Life and Charging Speed
A 10-minute fast charge delivers 4.5 hours of playback on the earbuds alone or 8.5 hours with the case, assuming ANC is off, volume is at 50%, and audio format is AAC. LDAC Hi-Res audio streaming (up to 990kbps on Android) will consume battery faster than AAC’s 256kbps, so real-world stamina depends on your audio settings and listening habits. Each earbud weighs just 4.5g and carries a 53mAh battery, while the square case holds 460mAh and includes a rotating Smart Dial for volume and playback control. IP55 water resistance protects against sweat and light rain, making these earbuds suitable for gym sessions and outdoor use.
CMF Buds 2 Plus Features and Software
The Nothing X app unlocks the most powerful features. A circular tri-band EQ and five Ultra Bass modes (levels 1-5) let you customize sound signature, though SoundGuys warns that levels above 3 can overpower the mix. Spatial Audio is included but reads as a gimmick for some listeners—test it first before relying on it for immersive playback. The personal sound profile feature runs a hearing test within the app, asking you to identify audible frequencies and then tailoring EQ to restore clarity at those ranges. This approach differs from the CMF Buds Pro 2, which uses Dirac Opteo presets instead.
Bluetooth 5.4 with 10-meter range, Google Fast Pair, and Microsoft Swift Pair make pairing seamless across Android and Windows devices. Dual device connection allows switching between phone and tablet without manual reconnection. Low Lag Mode drops latency to under 105ms on Nothing Phones, useful for mobile gaming and video calls. The 6 HD mics with Clear Voice Technology 3.0 and AI noise reduction excel in quiet environments but struggle during loud commutes—PhoneArena rates call quality at 5.8 out of 10, reflecting this limitation.
Design and Comparisons
The CMF Buds 2 Plus come in Blue and Light Gray finishes with a minimalist aesthetic. The square case with rotating Smart Dial echoes the CMF Buds Pro 2 design, supporting up to 3W total output (0.6W per earbud). Compared to the CMF Buds 2, the Plus model adds LDAC Hi-Res audio, a larger driver, and Smart ANC—meaningful upgrades for audiophiles willing to trade slight low-end punch for cleaner highs and better ambient noise handling. Against the CMF Buds Pro 2, the Plus offers comparable overall ANC performance but loses some low-end rumble, making the Pro 2 the better choice if bass response matters more to you.
Should You Buy CMF Buds 2 Plus at 30% Off?
At $70 post-discount, the CMF Buds 2 Plus deliver flagship-level features—LDAC, Smart ANC, AI call noise reduction, and custom EQ—that normally cost twice as much. TechGearLab scores them 6.7 for sound, 7.7 for comfort, and 7.5 for app functionality, confirming they punch above their price point. The catch: call quality dips in noisy settings, and Smart ANC’s strict activation conditions mean you’ll often fall back to manual control. If you prioritize sound quality, Hi-Res audio support, and customization over flawless call performance and bass impact, this deal makes them a smart buy. Skip them if you need robust call clarity or prefer deeper low-end punch.
What is LDAC audio and does it matter?
LDAC is a Sony codec that streams Hi-Res audio up to 990kbps over Bluetooth, compared to standard AAC at 256kbps. On Android phones, enable it in Developer Options Settings after toggling High-Quality Audio in the Nothing X app. The benefit is noticeable on wired Hi-Res sources and good Bluetooth signal, but performance varies by device and environment—not every listener hears the difference in casual listening.
How long do CMF Buds 2 Plus last on a single charge?
The earbuds deliver 4.5 hours of playback without the case or 8.5 hours with the case, assuming ANC is off, volume is at 50%, and you’re using AAC audio format. LDAC Hi-Res streaming and higher ANC settings will reduce this battery window.
Can you use CMF Buds 2 Plus with iPhone?
Yes, CMF Buds 2 Plus work with iPhone via standard Bluetooth 5.4 connection. However, LDAC Hi-Res audio and Low Lag Mode are Android-exclusive features, so iPhone users miss out on those advantages and will rely on standard AAC audio quality.
The CMF Buds 2 Plus represent the rare deal where a 30% discount doesn’t just sweeten the price—it transforms budget earbuds into a genuine flagship alternative. For Android users who value sound customization and Hi-Res audio support, this Amazon Big Spring Sale window is worth acting on before stock runs out.
Where to Buy
Amazon has chopped 30% off the price of the CMF Buds 2 Plus for its Big Spring Sale | See the full list of deals during Amazon's Big Spring Sale | $79.00 $55.30 for Amazon's Big Spring Sale | View Deal | $79
This article was written with AI assistance and editorially reviewed.
Source: Android Central
