Soundcore C40i
Open-ear clip-on earbuds with 12 x 17mm racetrack dynamic drivers and adaptive ANC deliver powerful, leak-free sound while keeping you aware of surroundings, backed by 21-hour total battery life with the case. IPX4 water resistance, a secure fit, and Bluetooth 5.4 multipoint make them reliable for exercise, while app-based 3D sound and physical buttons offer customization. These are best for runners and hikers who prioritize environmental awareness and a stable, comfortable fit over noise isolation during outdoor activities.
요약
The 30-Second Version
The most comfortable open-ear buds we've tested, with shockingly good sound and ANC that actually works. Just don't buy them for the call quality.
Pros & Cons
장점
- Incredibly comfortable clip-on fit you can wear all day 93rd
- Surprisingly full and spacious sound for an open-ear design 89th
- Adaptive ANC that actually makes a difference outdoors 88th
- Solid battery life with a quick-charge that's perfect for gym sessions 86th
단점
- Call quality is mediocre and struggles in noisy places
- Sound quality is highly dependent on getting the ear placement just right
- Social proof is low, so there aren't many long-term user reports yet
- The physical button controls can feel a bit clunky to press
사용자 의견
The Word on the Street
시간에 따라 사용자 평판이 어떻게 변했는가
독점고객이 실제로 리뷰를 작성한 시점을 기준으로 합니다. 초기의 호평이 유지되었는지 확인할 수 있습니다.
날짜가 있는 고객 리뷰 37건을 기준으로 달력 분기별로 묶었습니다. 기간별 분석은 영어로 제공됩니다.
근거 자료
Performance
What surprised us most was the sound quality. Open-ear buds usually sound thin and tinny, but Soundcore's racetrack driver here delivers a sound profile that lands in the 86th percentile of our database, which is a standout for this style. The bass has some actual body to it, and the soundstage feels wide and natural. The ANC is another shocker. It's not going to silence a jet engine, but it takes the edge off low-end rumbles like bus engines and wind noise way better than it has any right to, sitting in the 88th percentile. The call quality, however, is a weak spot. At the 60th percentile, your voice sounds a bit processed and distant to the person on the other end, so don't plan on leading any Zoom meetings from a windy street.
Specifications
Full Specifications
Design
| Form Factor | open-ear |
| Wearing Style | clip-on |
| Ear Tips | Medium, Large |
| Weight | 0.0 kg / 0.0 lbs |
Audio
| Driver Type | dynamic |
| Driver Size | 17 |
| Drivers | 2 |
Noise Control
| ANC | Yes |
| ANC Type | adaptive |
Connectivity
| Wireless | Yes |
| Bluetooth | 5.4 |
| Multipoint | Yes |
Earbud Battery
| Battery Life | 21 |
| Fast Charging | 10 Minutes for 2 Hours |
| Charging | USB-C |
Case Battery
| Case Battery | 14 |
| Case Charging | USB-C |
| Wireless Charging | No |
Microphone
| Microphone | Yes |
| NC Mic | Yes |
Features
| Touch Controls | No |
| App | Soundcore |
| Volume Limiting | No |
| Bone Conduction | No |
| Water Resistance | IPX4 |
vs Competition
The C40i's main rival is the Bose QuietComfort open-ear buds, but the Soundcores offer ANC where the Bose don't, making them a smarter pick for commuters. The Samsung Galaxy Buds3 Pro are a completely different beast, a traditional in-ear design with top-tier sound and ANC, but they seal you off from the world. If you need spatial awareness for safety, the C40i is the clear winner. The EarFun Air Pro 4+ is a fantastic budget noise-canceling in-ear bud, but again, it's not an open-ear design. For the specific person who wants a clip-on with ANC, the C40i is in a league of its own right now.
| Spec | Soundcore C40i | Technics EAH-AZ100 | Samsung Galaxy Buds Buds3 Pro | Apple AirPods Pro 3 | Sony WF-1000XM5 | EarFun Air Pro 4+ |
|---|---|---|---|---|---|---|
| Form Factor | open-ear | in-ear | in-ear | in-ear | in-ear | in-ear |
| Driver Type | dynamic | dynamic | dynamic | dynamic | dynamic | hybrid |
| Wireless | true | true | true | true | true | true |
| Active Noise Cancellation | true | true | true | true | true | true |
| Bluetooth Version | 5.4 | 5.3 | 5.4 | 5.3 | 5.3 | 6.0 |
| Battery Life Hours | 21 | 8 | 6 | 8 | 8 | 12 |
| Case Battery Hours | 14 | 28 | 26 | 24 | 24 | 54 |
| Water Resistance | IPX4 | IPX4 | IP57 | IP57 | IPX4 | IP55 |
| Multipoint | true | true | true | true | true | true |
| Compare | Compare | Compare | Compare | Compare |
| 제품 | Anc | Mic | Build | Sound | Battery | Comfort | Connectivity | 사용자 평판 |
|---|---|---|---|---|---|---|---|---|
| Soundcore C40i | 88.1 | 64.6 | 78.5 | 86 | 85.6 | 93.2 | 88.7 | 37.3 |
| Technics EAH-AZ100 Compare | 96.6 | 96.6 | 78.5 | 98.9 | 78.2 | 93.2 | 99 | 75.9 |
| Samsung Galaxy Buds Buds3 Pro Compare | 96.6 | 96.6 | 98.7 | 91.5 | 71.6 | 93.2 | 99.6 | 86.9 |
| Apple AirPods Pro 3 Compare | 96.6 | 79.3 | 98.7 | 89 | 74.6 | 93.2 | 97.6 | 99.2 |
| Sony WF-1000XM5 Compare | 96.6 | 96.6 | 78.5 | 95.7 | 74.6 | 93.2 | 98.6 | 50.8 |
| EarFun Air Pro 4+ Compare | 96.6 | 96.6 | 90.8 | 99.8 | 95.5 | 71.3 | 99.2 | 86.9 |
가격
Value & Pricing
Pricing on these is all over the map, with a wild spread from $40 to over $1600 across different vendors, which is frankly absurd. At the lower end of that range, these are an absolute steal for a fitness-focused open-ear bud with this feature set. If you're seeing a price anywhere near the $40 mark, just buy them. If you're looking at a triple-digit price tag, you're getting ripped off and should hunt for a better deal.
Amazon.ca 가격 1개 최저 CA$140
B&H Photo 가격 1개 최저 CA$82
2026년 5월 1일부터 이 제품의 가격을 추적하고 있습니다. 데이터가 쌓이면 차트가 표시됩니다.
더 보기
Overview
Soundcore's C40i clip-ons are a solid entry into the open-ear game, and the one thing to know is they nail comfort and awareness. If you hate the plugged-up feeling of earbuds but still want decent sound and ANC for your run, these are a fantastic pick. They hook onto your ear with a secure, lightweight clip, letting you hear traffic or your hiking buddy while your playlist keeps rolling. The 12x17mm racetrack drivers push out more punch than you'd expect from something that doesn't seal your ear canal, and the adaptive ANC is a genuinely useful bonus for an open design.
Common Questions
Q: Can you really hear your surroundings with these?
Absolutely. That's the whole point. The open-ear design leaves your ear canal completely unblocked, so you get full spatial awareness. It's perfect for running on city streets or hiking where you need to hear what's around you.
Q: How is the ANC on an open-ear bud even possible?
It's not magic, but it's close. The adaptive ANC targets low, constant frequencies like engine hum. It won't silence chatty people next to you, but it noticeably reduces background drone without blocking the world out, which is a clever trick for commuters.
Q: Will these stay on during a hard workout?
Yes, the clip-on design is very secure. The 6-gram weight and flexible ear hook mean they grip your ear without clamping hard. They're rated IPX4 for sweat and splashes, so a tough gym session or a rainy run is no problem.
Who Should Skip This
If you're looking for pristine call quality or total noise isolation, this isn't it. Go get a pair of traditional in-ear buds with a sealing tip, like the Samsung Galaxy Buds3 Pro. These are for people who prioritize awareness and comfort above all else.
Verdict
The Soundcore C40i is the best open-ear clip-on bud for anyone who wants to stay aware of their surroundings without sacrificing good sound and a bit of noise cancellation. It's a niche product that absolutely nails its niche. The call quality is the only real drag, but for workouts, hikes, and commutes where safety and comfort are king, these are an easy recommendation. Just make sure you're not overpaying.