Soundcore P31i
CCA Castor Pro
What Buyers Say
Soundcore P31i
The Soundcore P31i earbuds are overwhelmingly praised for their exceptional sound quality, effective active noise cancellation, and impressive battery life, all at a very affordable price. Users highlight the companion app's powerful EQ and adaptive ANC features, though a few note fit issues with the ear tips. Overall, they are seen as a fantastic value, often compared favorably to much more expensive competitors like AirPods.
Pros
- Exceptional sound quality
- Effective active noise cancellation
- Long battery life
- Powerful companion app with EQ
- Comfortable fit with multiple ear tip sizes
Cons
- Ear tips may not fit all ear shapes
- Case is larger than previous models
- App requires data collection
- Translation feature is tricky
CCA Castor Pro
The KZ Castor Pro Bass Enhanced IEMs are overwhelmingly praised for their powerful, controlled bass and excellent clarity, especially when paired with a DAC. Users highlight the dual 10mm drivers, tuneable switches, and great value for the price, though comfort and stock ear tips are common complaints. A few users report durability issues or find the sound less impressive than cheaper alternatives, but the majority consider these a fantastic budget option for bass lovers.
Pros
- Powerful and controlled bass
- Excellent clarity and detail
- Great value for money
- Tuneable bass/treble switches
- Dual 10mm dynamic drivers
Cons
- Uncomfortable stock ear tips
- Mediocre overall comfort
- Requires DAC for best performance
- Durability concerns for some units
- Sound quality drops on low-end devices
Scores
Specifications
| Soundcore P31i | CCA Castor Pro | |
|---|---|---|
| Design | ||
| Form Factor | in-ear | in-ear |
| Wearing Style | true wireless | — |
| Ear Tips | XS, S, M, L | — |
| Weight | 0.06 kg★ | — |
| Audio | ||
| Driver Type | dynamic | dynamic |
| Driver Size | 11 mm★ | 10 mm |
| Drivers | 1 | 2★ |
| Freq Max | 40 kHz★ | — |
| Impedance | 14.199999809265137 Ω | 16 Ω |
| Sensitivity | 120 dB★ | — |
| Hi-Res Audio | ✓ | ✓ |
| Codecs | LDAC | KZ Castor Pro Tunable in Ear Monitor, HiFi Improved Bass in Ear Headphone, Dual-Dynamic Driver Gaming Earbuds, IEM Earphones with 2PIN-C Detachable Cable |
| Surround | Spatial Audio | — |
| Noise Control | ||
| ANC | ✓★ | — |
| ANC Type | adaptive | — |
| Transparency | ✗ | — |
| Connectivity | ||
| Wireless | ✓★ | — |
| Bluetooth | 6.0 | — |
| Wired Connector | USB Type C | — |
| Earbud Battery | ||
| Battery Life | 10 hrs★ | — |
| Charge Time | 3 hrs★ | — |
| Fast Charging | 10 min for 3.5 hours playback | — |
| Charging | USB-C★ | — |
| Case Battery | ||
| Case Battery | 50 hrs★ | — |
| Case Charging | USB-C★ | — |
| Wireless Charging | ✓★ | — |
| Microphone | ||
| Microphone | ✓ | ✓ |
| Mic Count | 6★ | — |
| NC Mic | ✓★ | — |
| Features | ||
| Touch Controls | ✓ | ✓ |
| App | soundcore | — |
| Gaming Mode | ✗ | ✓★ |
| Bone Conduction | ✗ | — |
| Water Resistance | IP55 | — |
Pros & Cons
Soundcore P31i
- Strong mic (98th percentile)98th %ile
- Strong user sentiment (97th percentile)97th %ile
- Strong sound (97th percentile)97th %ile
- Strong battery (93rd percentile)93rd %ile
CCA Castor Pro
- Strong social proof (96th percentile)96th %ile
- Strong sound (85th percentile)85th %ile
- Strong user sentiment (67th percentile)
- Below average comfort (29th percentile)
- Below average anc (31st percentile)
- Below average build (34th percentile)
Pricing
Soundcore P31i offers 2.4x better value for money
Verdict
Scores 89 overall, wins 7 of 7 usage categories and 14 of 34 specs.
