CMF Buds Pro 2 vs SoundPEATS Air4 Pro: Which Budget ANC Earbud Actually Wins in 2026?
50dB dual-driver vs aptX Adaptive Lossless — two very different $55–70 earbuds, tested side by side in real conditions.
I ordered both on the same Wednesday. For two weeks straight, I switched between the CMF Buds Pro 2 and the SoundPEATS Air4 Pro on every commute, every gym session, every music production block, and every client Zoom call. The CMF Buds Pro 2 vs SoundPEATS Air4 Pro comparison looked deceptively simple from the spec sheets — both hover around $55–70, both offer hybrid ANC, both pack six microphones. However, these two earbuds target entirely different people.
That’s the story most comparison articles miss. One of them is built for pure audio immersion and marathon battery life. The other is engineered for Android power users who want lossless codec performance and seamless device switching. Neither is wrong. The question is which one matches your actual setup.
After two weeks of side-by-side use, I have a clear answer for most buyers. Here’s everything I found.
🔍 How We Tested
Both pairs were bought at retail, charged to 100%, and carried side by side for two full weeks — swapping between them multiple times a day rather than testing one, then the other, in isolation.
🎤️ Conditions tested
- Open-plan office with HVAC and keyboard noise
- Subway and bus commutes
- Outdoor calls in wind
- Client Zoom and Teams calls
- Gym sessions and 4-hour wear tests
- Mobile gaming and YouTube sync
📱 Devices & content used
- Snapdragon Sound-certified Android phone
- MediaTek Android phone and an iPhone
- Bass-heavy, vocal-forward, and podcast tracks
- Battery drain logged per charge cycle
- ANC/transparency A-B switching in each environment
⭐ Read the full solo review first?
🏆 Top Pick Summary — CMF Buds Pro 2 vs SoundPEATS Air4 Pro
| 🥇 | Overall Winner: | CMF Buds Pro 2 (for most buyers) — deeper ANC, stronger battery, better EQ |
| 📱 | Best for Android: | SoundPEATS Air4 Pro if you have a Snapdragon phone — lossless codec + multipoint |
| 🎵 | Best for Bass/Music: | CMF Buds Pro 2 — dual driver + Dirac + 10-band EQ |
| ✈️ | Best for Travel: | CMF Buds Pro 2 — 43hr total battery, 10min fast charge = 3hrs |
| 🎮 | Best for Gaming: | SoundPEATS Air4 Pro — dedicated 88ms gaming mode |
| 💰 | Price range: | CMF Buds Pro 2 ~$47–69 · SoundPEATS Air4 Pro ~$50–55 |
📊 CMF Buds Pro 2 vs SoundPEATS Air4 Pro — Full Specs Compared
Before getting into the real-world breakdown, here is the complete side-by-side spec picture. I’ve marked a winner for every differentiating row.
| Feature | CMF Buds Pro 2 | SoundPEATS Air4 Pro | Winner |
|---|---|---|---|
| Price (approx.) | ~$47–69 | ~$50–55 | Air4 Pro |
| Driver config | Dual: 11mm bass + 6mm tweeter | Single: 13mm dynamic | CMF |
| Codec | LDAC, AAC, SBC | AptX Adaptive Lossless, AAC, SBC | Depends on phone |
| Sound tuning | Dirac Master Tuning | Standard Qualcomm | CMF |
| ANC type | 50dB Hybrid ANC | Adaptive Hybrid ANC | CMF |
| Bud battery | 11hr (spec) / ~6.25hr ANC on | 6.5hr (spec) / ~6hr ANC on | CMF |
| Total battery | 43 hours | 26 hours | CMF |
| Fast charging | 10 min = 3 hours | ~15 min quick charge | CMF |
| Waterproof | IP54 | IPX4 | CMF |
| Multipoint | Limited (dual-device pairing) | Full multipoint | Air4 Pro |
| Gaming mode | None dedicated | 88ms low-latency mode | Air4 Pro |
| Microphones | 6 mics, Clear Voice Tech 3.0 | 6 mics, CVC 8.0 ENC | CMF (slight edge) |
| App EQ | 10-band custom EQ (Nothing X) | Presets only (SOUNDPEATS App) | CMF |
| Spatial audio | Yes | No | CMF |
| Smart Dial | Yes — case-mounted dial | No | CMF |
| Wireless charging | No | No | Tie |
| Bluetooth | 5.3 | 5.3 | Tie |
The spec table tells one story clearly: CMF wins more categories. However, specs don’t always translate into real-world wins. So let’s go deeper into each area that actually matters.
🎧 Design, Build Quality & the CMF Smart Dial
Is the CMF Buds Pro 2 Smart Dial worth it?
The CMF Buds Pro 2 Smart Dial is genuinely worth it — and that’s not a statement I expected to make. On paper, a rotary dial on a charging case sounds like a gimmick. After two weeks of daily use, it’s the feature I missed most when I switched to the Air4 Pro.
Rotate clockwise and the volume goes up. Rotate counter-clockwise and it drops. A single press pauses. A double click skips the track. All of this happens without ever touching the earbuds themselves — no fumbling to tap the right spot on the stem, no accidentally adjusting the seal. The Nothing X app lets you remap every dial action. I customized mine to rotate for volume and long-press to toggle ANC modes.
The SoundPEATS Air4 Pro uses standard touch controls on the earbud stems. They work reliably. Skipping tracks, pausing, answering calls — all function cleanly. Still, there’s nothing remarkable about them compared to every other TWS earbud at this price.
Build quality on both is solid for sub-$70 earbuds. The CMF carries an IP54 rating — dust and water resistant from any direction. The Air4 Pro is IPX4 — splash-proof but not dust-rated. In real-world gym and commute use, both survived fine. However, the IP54 rating is genuinely more robust for outdoor use in variable conditions.
🎵 Sound Quality Showdown — Dual Driver vs Single Driver
Best earbuds with LDAC under $70 — does CMF’s dual-driver deliver?
Looking for the best earbuds with LDAC under $70 that can handle real musical detail? The CMF Buds Pro 2 is currently the strongest option in this bracket — and the dual-driver setup is the main reason why.
Put on a bass-heavy track and the 11mm bass driver pushes real sub-bass depth. It’s warm and physical without becoming muddy. The 6mm tweeter keeps the high frequencies clean and separated — so hi-hats and string plucks sit clearly above the low end instead of getting buried. Add Dirac Master Tuning and Dynamic Bass Boost 2.0 on top, and the CMF delivers a sound profile that’s genuinely impressive for $69.
Switch to the SoundPEATS Air4 Pro on the same track and the character shifts immediately. Less warmth, more precision. The 13mm single driver with aptX Adaptive Lossless on a Snapdragon Android phone retrieves detail in the upper-mids and treble that the CMF actually can’t match. On a vocal-forward track, the Air4 Pro’s codec advantage was audible — airier, more spacious, with more texture in the quiet passages.
Neither approach is wrong. They serve different listeners. The CMF is tuned for bass lovers and casual listeners who want immersive, enjoyable sound. The Air4 Pro is tuned for accuracy-first listeners who have the right Android hardware to unlock lossless transmission.
Codec deep dive — LDAC vs AptX Adaptive Lossless
This is where device compatibility becomes the deciding factor. AptX Adaptive Lossless only activates on Qualcomm Snapdragon Sound-certified Android phones. Without that certification, the Air4 Pro drops back to SBC or AAC. LDAC, by contrast, works on any Android device running Android 8.0+, and even iOS devices get AAC rather than the lowest-quality SBC fallback.
If you carry a Samsung Galaxy, OnePlus, or ASUS ROG phone with Snapdragon — the Air4 Pro’s lossless mode is a real, audible advantage. If you carry a MediaTek Android phone, an iPhone, or any older device — the CMF Buds Pro 2’s LDAC gives you meaningfully better wireless audio quality. The Air4 Pro’s main selling point simply doesn’t activate.
🔇 SoundPEATS Air4 Pro vs CMF Buds Pro 2 Noise Cancellation — 50dB vs Adaptive Hybrid
SoundPEATS Air4 Pro vs CMF Buds Pro 2 noise cancellation is one of the most common questions I see — and the answer is cleaner than most reviews admit.
The CMF Buds Pro 2 wins. Its 50dB hybrid ANC is deeper and more consistent than the Air4 Pro’s adaptive system at high noise levels. In an open-plan office with running HVAC, keyboard clatter, and background conversation, the CMF attenuated the noise floor more aggressively. Loud environments — buses, subway carriages, open-plan offices — showed the biggest difference.
That said, the Air4 Pro’s adaptive hybrid ANC is still genuinely useful. In moderate environments, the gap closes significantly. Both performed well enough that I’d recommend either for office or commute use without hesitation. The CMF simply goes deeper when you push the ANC harder.
Transparency mode is another CMF win. Voices come through naturally — almost unnervingly so. Ordering coffee, navigating in a new city, or holding a quick conversation without removing the buds all worked seamlessly. The Air4 Pro’s transparency mode is clean too, but the CMF edges it for naturalness.
For more context on where these sit against the wider field, check our best waterproof earbuds for the gym under $100 guide, which covers ANC performance across a wider bracket.
⚖️ More comparisons in this bracket
🔋 CMF Buds Pro 2 Battery Life Real World Test vs Air4 Pro
The CMF Buds Pro 2 battery life real world test produced the result I expected: the 43-hour total claim is meaningful. With ANC active and volume at 65–70%, I measured 6.1–6.4 hours per bud consistently — close to the spec. With ANC off, 7+ hours is achievable. The case recharges the buds three-plus times, giving a practical total of roughly 25–28 hours with ANC on across full cycles.
The SoundPEATS Air4 Pro landed at 5.8–6.2 hours per bud with ANC active at similar settings. Its 26-hour total is accurate as a spec. However, in practice, the CMF’s total capacity is about 65% greater — which matters enormously for travel and multi-day use without access to a charger.
Fast charging is another CMF win. Ten minutes in the case returns 3 hours of playback. I tested this repeatedly and it held. The Air4 Pro’s quick charge is functional but less dramatic — roughly 15 minutes for 2 hours of use.
🎤️ Microphone & Call Quality — 6 Mics Each, Different Algorithms
Both earbuds carry six-microphone arrays. However, the underlying noise-rejection algorithms differ — and so do the results in challenging environments.
The SoundPEATS Air4 Pro uses CVC 8.0 ENC (Environmental Noise Cancellation), a well-established Qualcomm algorithm. Indoor calls are consistently clean and natural-sounding. Callers reported good clarity in quiet and moderate environments during my tests. In strong outdoor wind, some bleed was audible but not severe.
The CMF Buds Pro 2 runs Clear Voice Technology 3.0 — an AI-enhanced algorithm that processes and isolates speech more aggressively. In the café and outdoor tests, CMF edged out the Air4 Pro. Callers reported speech sounding cleaner in noisy environments. The margin wasn’t massive, but it was consistent across multiple test calls.
For work-from-home Zoom and Teams calls, both are more than adequate. If outdoor calls in variable environments are frequent, the CMF has a slight edge. Curious how these compare to purpose-built call earbuds? Our earbuds with the best mic quality for calls guide covers the full call-focused bracket.
🎮 Gaming Mode & Latency — Air4 Pro’s 88ms vs CMF’s Standard Mode
This is one area where the SoundPEATS Air4 Pro wins outright. It has a dedicated 88ms low-latency gaming mode activated by long-pressing the right stem or through the app. In mobile shooter testing, the audio felt noticeably more synchronized with on-screen action. YouTube video sync also improved substantially — no visible lip-sync drift.
The CMF Buds Pro 2 has no dedicated gaming mode. Its standard Bluetooth latency is acceptable for casual use and video streaming but behind the Air4 Pro in fast-paced gaming scenarios. For mobile gamers who care about audio reaction time, the Air4 Pro is the better tool.
That said, neither earbud competes with purpose-built gaming TWS earbuds that hit 50ms or below. Both are general-purpose earbuds that happen to offer gaming utility — the Air4 Pro just offers meaningfully more of it.
📱 App Experience — Nothing X vs SOUNDPEATS App
The Nothing X app (iOS and Android) is genuinely one of the best budget earbud apps available right now. It offers a full 10-band custom EQ, four ANC mode presets, spatial audio toggle, Smart Dial customization for every dial action, firmware updates, and in-ear detection settings. For a music producer or audio enthusiast, the EQ flexibility alone is a significant advantage.
The SOUNDPEATS App offers preset-based EQ (Balanced, Bass Boost, Treble Boost, Podcast, and a few others), ANC mode switching, gaming mode toggle, and in-ear detection on/off. It works reliably. However, there are no parametric or per-band controls. For casual listeners, the presets are tuned well enough — but for anyone who wants to fine-tune their sound, the CMF’s app is in a different league.
Both apps connect quickly and maintain stable connections. Neither required troubleshooting during the two weeks of testing.
📱 CMF Buds Pro 2 vs SoundPEATS Air4 Pro for Android Users — Which Wins?
The CMF Buds Pro 2 vs SoundPEATS Air4 Pro for Android users question comes down to one variable: which chip is in your phone.
✅ Buy CMF Buds Pro 2 if you:
- Use an iPhone (LDAC gives better wireless audio than AAC)
- Have a MediaTek or Exynos Android phone
- Prioritize bass-heavy, immersive sound
- Travel frequently and need 43hr battery
- Want full 10-band EQ control
- Love the Smart Dial physical control
✅ Buy SoundPEATS Air4 Pro if you:
- Have a Snapdragon Android phone (Galaxy, OnePlus, Poco)
- Want lossless codec + multipoint simultaneously
- Bounce between phone and laptop all day
- Play mobile games and need 88ms gaming mode
- Prefer a more accurate, detail-forward sound
There is no universal winner here. Both are exceptional value for their respective use cases. The CMF wins on raw feature count, battery, and app depth. The Air4 Pro wins on codec precision and day-to-day workflow features — multipoint and gaming mode — for the right Android user. For a broader look at how these fit into the wider budget landscape, see our guide to cheap earbuds with multipoint connection and the complete best budget wireless earbuds guide.
🚫 Who Should Skip Each One
❌ Skip the CMF Buds Pro 2 if you:
- Play fast-paced mobile games and need sub-90ms latency
- Need seamless phone-to-laptop multipoint switching
- Own a Snapdragon phone and specifically want lossless aptX over LDAC
❌ Skip the SoundPEATS Air4 Pro if you:
- Travel often and multi-day battery life matters
- Use an iPhone or a non-Snapdragon Android phone (the lossless codec won’t activate)
- Want the deepest ANC available in this price range
✅ Pros & Cons — CMF Buds Pro 2 & SoundPEATS Air4 Pro
CMF Buds Pro 2
✅ Pros
- 50dB hybrid ANC — deepest in this price range
- Dual driver + Dirac Master Tuning — rich, detailed sound
- 43-hour total battery — class-leading under $70
- Smart Dial — tactile case control without touching buds
- 10-band custom EQ in Nothing X app
- LDAC — works on all Android + iPhone (via AAC)
- Spatial audio support
- IP54 — dust + water resistant
- 10-min charge = 3 hours playback
❌ Cons
- No dedicated gaming mode — standard latency only
- Multipoint limited — not full dual-device seamless switching
- Slight static hum noticed at low volume in quiet rooms
- Longer stems — less discreet than Air4 Pro
- No wireless charging
SoundPEATS Air4 Pro
✅ Pros
- AptX Adaptive Lossless — best codec at this price for Snapdragon
- Full multipoint — phone + laptop simultaneously
- 88ms gaming mode — mobile gaming ready
- Adaptive ANC — adjusts to environment automatically
- Compact, lightweight case
- IPX4 — gym and light rain safe
- In-ear detection — auto pause on removal
❌ Cons
- Lossless codec only on Snapdragon Android — useless on iPhone
- 26hr total battery — good, but trails CMF by 17 hours
- App EQ — presets only, no per-band control
- No spatial audio
- No wireless charging
❓ People Also Ask
Is the CMF Buds Pro 2 better than SoundPEATS Air4 Pro?
The CMF Buds Pro 2 wins more categories overall — deeper ANC, stronger battery (43 vs 26 hours), dual-driver sound, 10-band EQ, and spatial audio. However, the SoundPEATS Air4 Pro beats it for Snapdragon Android users who need aptX Adaptive Lossless, full multipoint, and a dedicated 88ms gaming mode. For most buyers, CMF is the stronger all-around pick.
Does the CMF Buds Pro 2 work with iPhone?
Yes. The CMF Buds Pro 2 connects to iPhone via Bluetooth 5.3. The LDAC codec drops to AAC on iOS, but that's still meaningfully better than SBC, and ANC, Smart Dial, and spatial audio all function normally.
Which is better for long flights — CMF Buds Pro 2 or Air4 Pro?
The CMF Buds Pro 2 is significantly better for long flights. With 43 hours of total battery and fast charging (10 minutes = 3 hours), it handles a 12–14 hour flight on a single case charge. CMF's deeper 50dB ANC also makes it more effective against engine and cabin noise.
Does SoundPEATS Air4 Pro have multipoint connection?
Yes — the SoundPEATS Air4 Pro supports full dual-device multipoint pairing, connecting to a smartphone and a laptop simultaneously and switching audio automatically when a call comes in. This is one area where it beats the CMF Buds Pro 2's limited dual-device pairing.
Is the CMF Buds Pro 2 good for music production?
For reference listening on the go, yes. The 10-band EQ in the Nothing X app gives enough control to flatten the sound curve for mix checking. Dedicated flat-response IEMs or studio monitors remain better tools for serious production work.
💬 Full FAQ — CMF Buds Pro 2 vs SoundPEATS Air4 Pro
Which has better ANC — CMF Buds Pro 2 or SoundPEATS Air4 Pro?
The CMF Buds Pro 2 has stronger ANC depth — rated at 50dB hybrid versus the Air4 Pro's adaptive hybrid system. In real-world office and commute testing, the CMF edged out the Air4 Pro at high noise levels consistently.
What is the Smart Dial on the CMF Buds Pro 2 and is it useful?
The CMF Buds Pro 2 Smart Dial is a physical rotary dial mounted on the charging case. Rotating it controls volume; pressing it pauses or skips tracks. Every function is customizable via the Nothing X app.
Does the SoundPEATS Air4 Pro support LDAC?
No — the SoundPEATS Air4 Pro does not support LDAC. It uses Qualcomm's aptX Adaptive Lossless codec, which delivers lossless audio transmission on Snapdragon Sound-certified Android phones only. The CMF Buds Pro 2 supports LDAC, which works on a broader range of Android devices.
Which earbuds have better battery life — CMF Buds Pro 2 or Air4 Pro?
The CMF Buds Pro 2 has substantially better battery life — 43 hours total versus the Air4 Pro's 26 hours total. In real-world testing with ANC active, CMF achieved approximately 6.1-6.4 hours per charge versus 5.8-6.2 for the Air4 Pro.
Can the CMF Buds Pro 2 be used for gaming?
The CMF Buds Pro 2 can be used for casual mobile gaming, but it lacks a dedicated gaming mode. For fast-paced games where audio reaction timing matters, the SoundPEATS Air4 Pro's 88ms gaming mode provides a noticeable advantage.
How do I fix CMF Buds Pro 2 connection issues?
Place both buds in the case, close the lid for 15 seconds, then re-open and re-pair from your device's Bluetooth settings. For a full factory reset, hold both earbud stems for 5 seconds until the LED flashes. Our guide to fixing Bluetooth audio latency covers the most common connectivity fixes.
Is the SoundPEATS Air4 Pro worth it over the CMF Buds Pro 2?
The SoundPEATS Air4 Pro is worth it over the CMF Buds Pro 2 specifically if you own a Snapdragon Android phone and need both lossless audio and multipoint connection. For every other buyer profile, the CMF's advantages in battery, ANC depth, and EQ depth make it the stronger purchase.
Which earbuds have a better microphone — CMF or SoundPEATS Air4 Pro?
Both use 6-microphone arrays and perform well for everyday calls. The CMF Buds Pro 2's Clear Voice Technology 3.0 edged out the Air4 Pro's CVC 8.0 ENC in outdoor and windy conditions. See our best earbuds for call quality guide for a broader field comparison.
🏆 Final Verdict — CMF Buds Pro 2 vs SoundPEATS Air4 Pro
The CMF Buds Pro 2 vs SoundPEATS Air4 Pro verdict comes down to one question: what phone do you carry, and what matters most to you daily? For most buyers — iPhone users, MediaTek Android users, bass listeners, frequent travelers, and anyone who wants fine EQ control — the CMF Buds Pro 2 is the stronger pick. It wins on ANC depth, battery by a 17-hour margin, dual-driver sound, Smart Dial convenience, and app depth. The SoundPEATS Air4 Pro wins specifically for Snapdragon Android users who want lossless audio, need full multipoint for phone-to-laptop switching, or play mobile games and need 88ms latency. Both are exceptional value under $70.
M. Maksudur Rahman Titu has tested more than 30 wireless earbuds across all price brackets. As a music producer and daily commuter, he evaluates earbuds across real creative and practical use cases — not just spec sheets.
M. Maksudur Rahman Titu is a tech reviewer and digital entrepreneur with over 3 years of hands-on experience testing wireless audio products, smartphones, and consumer electronics. Through Trendy Tech Reviews, he has personally tested 50+ pairs of earbuds and headphones across real-world environments — daily commutes, open offices, gym sessions, and long-haul flights.
His reviews focus on honest, spec-verified analysis designed to help everyday buyers make smarter purchasing decisions — without overspending on brand names. Titu’s testing methodology covers ANC performance, battery endurance, codec support, and app usability before any product is recommended. Contact: reviewstrendytech@gmail.com
