Side by side comparison and review of Bowers & Wilkins PI7 and Soundcore Liberty 4. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
DESIGN AND DIMENSIONS | Bowers & Wilkins PI7 | Soundcore Liberty 4 |
---|
Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
---|---|---|---|
Weight | - | 55 g | |
Dimensions & Weight Details | Charging case: 50 g Earbud: 8 g |
- | |
Colour | Charcoal | White | Midnight black | |
Protection | IP54, water-resistant | IPX4, water-resistant | |
Recommended Use | Portable electronics, computer | Portable electronics | |
High-Resolution Audio | Yes | Yes | |
Tracking Data | - | Heart rate |
SOUND QUALITY | Bowers & Wilkins PI7 | Soundcore Liberty 4 |
---|
Headphones Form Factor | In-ear | In-ear | |
---|---|---|---|
Headphones Technology | Balanced armature / dynamic | - | |
Connectivity Technology | Wireless | Wireless | |
Wireless Technology | Bluetooth | Bluetooth | |
Bluetooth Version | Bluetooth 5.0 | - | |
Bluetooth Profiles | 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, aptX, aptX HD, apt-X LL, aptX Adaptive | LDAC | |
Active Noise Cancelling | Yes | Yes | Both headphones are equipped with active noice cancellation. |
Active Noise Cancelling Technology | Adaptive Noise Cancelling | - | |
Sound Output Mode | Stereo | Stereo | |
Sound Effects | - | 360° Spatial Audio | |
Frequency Response | 10 - 20000 Hz | Up to 40000 Hz | |
Total Harmonic Distortion (THD) | <0.3% | - | |
Diaphragm | 9.2 mm | - | |
Features | Dual driver, Google Fast Pair, Auto Play, Auto Pause, Ambient Pass-Through | MultiPoint Technology, ACAA 3.0 technology |
MICROPHONE | Bowers & Wilkins PI7 | Soundcore Liberty 4 |
---|
Form Factor | Built-in | Built-in | |
---|---|---|---|
Noise Cancelling | - | Yes | Soundcore Liberty 4 microphone can cancel out ambient noise. |
Microphones Included | 6 | 6 | Both headphones have a built-in microphone. |
REMOTE CONTROL | Bowers & Wilkins PI7 | Soundcore Liberty 4 |
---|
Controls | Answer/end, play/pause, next/previous track, reject call, voice assistant, ANC on/off, ANC mode | Answer/end, play/pause, squeeze control, ANC/transparency/normal |
---|
CABLE | Bowers & Wilkins PI7 | Soundcore Liberty 4 |
---|
Cable Type | USB-C charge cable - detachable - 20 cm USB-C to mini-phone 3.5 mm cable - detachable |
- |
---|
FEATURES | Bowers & Wilkins PI7 | Soundcore Liberty 4 |
---|
Features | Fast charge, auto power on/off | HearID 2.0 Technology, Dynamic Head Tracking | |
---|---|---|---|
Sensors | Wear sensor | Gyroscope |
BATTERY AND CHARGING | Bowers & Wilkins PI7 | Soundcore Liberty 4 |
---|
Battery Type | Headphone battery rechargeable - wireless charging | Headphone battery rechargeable - wireless charging | |
---|---|---|---|
Battery Life | 4 hour(s) | 9 hour(s) | Soundcore Liberty 4 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 |
Continuous playback: up to 9 hours Continuous playback (with included charging case): up to 28 hours |
|
Wireless Charging Standards | Qi | - | |
Charging Time | 3 hour(s) | 1 hour(s) | Soundcore Liberty 4 recharge faster than Bowers & Wilkins PI7. |
OTHERS | Bowers & Wilkins PI7 | Soundcore Liberty 4 |
---|
Included Accessories | 3 pairs of ear tips (small, medium, large), USB-C charging cable, wireless charging case, 3.5 mm to USB-C cable | Charging case, CloudComfort ear tips (S/M1/M2/L)) | |
---|---|---|---|
Compatibility | iPhone, iPad, Android phone, Android tablet | - | |
Compliant Standards | - | IPX4 | |
Service & Support | Limited warranty - 2 years | Limited warranty - 18 months |