Detailed comparison and review of Sony WI-XB400 and Bowers & Wilkins PI7. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
| DESIGN AND DIMENSIONS | Sony WI-XB400 | Bowers & Wilkins PI7 |
|---|
| Product Type | Earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 21 g | - | |
| Dimensions & Weight Details | - | Charging case: 50 g Earbud: 8 g |
|
| Colour | Black | Blue | Charcoal | White | |
| Protection | - | IP54, water-resistant | |
| Recommended Use | Portable electronics | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | 10 m | - | |
| High-Resolution Audio | - | Yes |
| SOUND QUALITY | Sony WI-XB400 | Bowers & Wilkins PI7 |
|---|
| Headphones Form Factor | In-ear - behind-the-neck mount | In-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | Balanced armature / dynamic | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.0 | Both headphones have the same Bluetooth version. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), Serial Copy Management System (SCMS-T) | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), Generic Attribute Profile (GATT) | |
| Bluetooth Audio Codec | SBC, AAC | SBC, AAC, aptX, aptX HD, apt-X LL, aptX Adaptive | |
| Active Noise Cancelling | - | Yes | Bowers & Wilkins PI7 are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Adaptive Noise Cancelling | |
| Sound Output Mode | - | Stereo | |
| Sound Effects | Extra Bass | - | |
| Frequency Response | 20 - 20000 Hz | 10 - 20000 Hz | Bowers & Wilkins PI7 offer a larger frequency range than Sony WI-XB400. |
| Total Harmonic Distortion (THD) | - | <0.3% | |
| Diaphragm | 12 mm | 9.2 mm | Sony WI-XB400 have a thicker diaphragm than Bowers & Wilkins PI7. |
| Magnet Material | Neodymium | - | |
| Features | Magnetic ear buds | Dual driver, Google Fast Pair, Auto Play, Auto Pause, Ambient Pass-Through |
| MICROPHONE | Sony WI-XB400 | Bowers & Wilkins PI7 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Microphone Technology | Electret condenser | - | |
| Microphone Operation Mode | Uni-directional | - | |
| Microphones Included | - | 6 |
| REMOTE CONTROL | Sony WI-XB400 | Bowers & Wilkins PI7 |
|---|
| Controls | Multiple function button | Answer/end, play/pause, next/previous track, reject call, voice assistant, ANC on/off, ANC mode |
|---|
| CABLE | Sony WI-XB400 | Bowers & Wilkins PI7 |
|---|
| Cable Type | USB-C charge cable - detachable - 20 cm | USB-C charge cable - detachable - 20 cm USB-C to mini-phone 3.5 mm cable - detachable |
|---|
| FEATURES | Sony WI-XB400 | Bowers & Wilkins PI7 |
|---|
| Features | - | Fast charge, auto power on/off | |
|---|---|---|---|
| Intelligent Assistant | Siri, Google Assistant | - | |
| Sensors | - | Wear sensor |
| BATTERY AND CHARGING | Sony WI-XB400 | Bowers & Wilkins PI7 |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | Headphone battery rechargeable - wireless charging | |
|---|---|---|---|
| Battery Life | 15 hour(s) | 4 hour(s) | Sony WI-XB400 lasts longer on a single charge than the Bowers & Wilkins PI7. |
| Battery Life Details | - | Continuous playback (with included charging case): up to 20 hours Continuous playback: up to 4 hours |
|
| Standby Time | 200 hours | - | |
| Wireless Charging Standards | - | Qi | |
| Charging Time | 3 hour(s) | 3 hour(s) | The charging of both headphones last the same time. |
| CONNECTIONS | Sony WI-XB400 | Bowers & Wilkins PI7 |
|---|
| Connector Type | USB (power only) (USB Type-C) | - |
|---|
| OTHERS | Sony WI-XB400 | Bowers & Wilkins PI7 |
|---|
| Included Accessories | Ear-buds | 3 pairs of ear tips (small, medium, large), USB-C charging cable, wireless charging case, 3.5 mm to USB-C cable | |
|---|---|---|---|
| Compatibility | - | iPhone, iPad, Android phone, Android tablet | |
| Service & Support | - | Limited warranty - 2 years |
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