New
Sony WI-XB400
form factor in-ear
wireless true
battery life hours 15
34 Overall Score
Price $55
About This Earbuds
Sony WI-XB400B extra bass wireless in-ear headphones in stylish behind-the-neck design with built-in voice assistant and headset function. Bluetooth effective range of sight connection approx. 10m
- Product Note : If the size of the earbud tips does not match the size of your ear canals or the headset is not worn properly in your ears, you may not obtain the correct sound qualities or call performance. Change the earbud tips to ones that fit more snugly in your ears
- Wireless Audio with Bluetooth technology
- Up to 15 hours of battery life with Quick charging (10min charge = 60min of playback) Battery Charge Time - Approx 3 hrs (Full charge)
- 12 millimeter driver units for crisp clear sound
- Flexible and lightweight cables
- Hands-free calling and voice assistant compatible
- Magnetic buds for easy carrying
- In the box USB Type-C
Overview
Performance
Pros & Cons
Pros
- Strong comfort (70th percentile) 70th
Cons
- Below average battery (28th percentile) 28th
- Below average anc (30th percentile) 30th
- Below average build (33th percentile) 33th
Specifications
Full Specifications
Design
| Form Factor | in-ear |
| Wearing Style | neckband |
| Weight | 0.0 kg / 0.1 lbs |
Audio
| Driver Size | 12 |
| Impedance | 16 |
| Codecs | Sony Wi-Xb400 Headphones Wireless Neck-Band Calls/Music USB, W128298864 (Neck-Band Calls/Music USB Type-C Bluetooth Black) |
Connectivity
| Wireless | Yes |
Earbud Battery
| Battery Life | 15 |
| Charge Time | 3 |
| Fast Charging | 10min charge = 60min of playback |
| Charging | USB-C |
Case Battery
| Case Charging | USB-C |
Microphone
| Microphone | Yes |
Features
| Voice Assistant | voice assistant |
| Bone Conduction | No |
Value & Pricing
May 22, 2026 $55
vs Competition
| Spec | Sony WI-XB400 | Sennheiser MOMENTUM True Wireless MTW4 | Samsung Galaxy Buds3 Pro SM-R630NZAAXAR | EarFun Air Pro Air Pro 4+ | JBL Endurance Peak Peak 4 | Apple AirPods Pro AirPods Pro (3rd generation) |
|---|---|---|---|---|---|---|
| Form Factor | in-ear | in-ear | in-ear | in-ear | in-ear | in-ear |
| Driver Type | - | TrueResponse transducer | Dynamic | hybrid | dynamic | Dynamic |
| Wireless | true | true | true | true | true | true |
| Active Noise Cancellation | - | true | true | true | true | true |
| Bluetooth Version | - | 5.4 | 5.4 | 6.0 | 5.4 | 5.3 |
| Battery Life Hours | 15 | 7.5 | 6 | 12 | 12 | 8 |
| Case Battery Hours | - | 30 | 26 | 54 | 48 | 24 |
| Water Resistance | - | water resistant | IP57 | IP55 | IP68 | IP57 |
| Multipoint | - | true | true | true | true | true |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | Comfort | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|
| Sony WI-XB400 | 29.5 | 36.3 | 33.3 | 51.7 | 27.8 | 70.4 | 40.5 | 53.8 |
| Sennheiser MOMENTUM True Wireless MTW4 Compare | 96.5 | 99.7 | 69.7 | 98.3 | 80.5 | 93.4 | 92.4 | 94.5 |
| Samsung Galaxy Buds3 Pro SM-R630NZAAXAR Compare | 96.5 | 96.8 | 98.9 | 89.9 | 73 | 93.4 | 97.8 | 89.4 |
| EarFun Air Pro Air Pro 4+ Compare | 96.5 | 96.8 | 91.3 | 99.8 | 96.3 | 70.4 | 99.3 | 80.2 |
| JBL Endurance Peak Peak 4 Compare | 96.5 | 96.8 | 98.9 | 80.9 | 95 | 70.4 | 99.1 | 89.4 |
| Apple AirPods Pro AirPods Pro (3rd generation) Compare | 96.5 | 80.4 | 98.9 | 83.3 | 76 | 70.4 | 97.8 | 99.3 |
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
