In depth comparison and review of Bowers & Wilkins PI7 and Sony WF-1000XM4. Compare design, audio features, functions and other important specifications to easily choose the right headphones for you. Our goal is to help you uncover differences between the products and find the headphones that will best fit your needs.
DESIGN AND DIMENSIONS | Bowers & Wilkins PI7 | Sony WF-1000XM4 |
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Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
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Weight | - | 41 g | |
Dimensions & Weight Details | Charging case: 50 g Earbud: 8 g |
Earphone: 7.3 g | |
Colour | Charcoal | White | Black | Silver | |
Earpad Material | - | Polyurethane foam | |
Protection | IP54, water-resistant | Water-resistant | |
Recommended Use | Portable electronics, computer | Portable electronics | |
High-Resolution Audio | Yes | - |
SOUND QUALITY | Bowers & Wilkins PI7 | Sony WF-1000XM4 |
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Headphones Form Factor | In-ear | In-ear | |
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Headphones Technology | Balanced armature / dynamic | Dynamic | |
Connectivity Technology | Wireless | Wireless | |
Wireless Technology | Bluetooth | Bluetooth | |
Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.2 | Sony WF-1000XM4 have a more advanced version of Bluetooth than Bowers & Wilkins PI7. |
Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), Generic Attribute Profile (GATT) | Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), Serial Copy Management System (SCMS-T) | |
Bluetooth Audio Codec | SBC, AAC, aptX, aptX HD, apt-X LL, aptX Adaptive | SBC, AAC, LDAC | |
Active Noise Cancelling | Yes | Yes | Both headphones are equipped with active noice cancellation. |
Active Noise Cancelling Technology | Adaptive Noise Cancelling | Digital Noise Cancelling technology (DNC) | |
Sound Output Mode | Stereo | - | |
Sound Effects | - | Digital Sound Enhancement Engine Extreme (DSEE Extreme), Ambient Sound Mode, Adaptive Sound Control, 360 Reality Audio | |
Frequency Response | 10 - 20000 Hz | 20 - 20000 Hz | Bowers & Wilkins PI7 offer a larger frequency range than Sony WF-1000XM4. |
Total Harmonic Distortion (THD) | <0.3% | - | |
Diaphragm | 9.2 mm | 6 mm | Bowers & Wilkins PI7 have a thicker diaphragm than Sony WF-1000XM4. |
Magnet Material | - | Neodymium | |
Features | Dual driver, Google Fast Pair, Auto Play, Auto Pause, Ambient Pass-Through | Precise Voice Pickup Technology, Quick Attention function, Microsoft Swift Pair, Processor V1, Automatic Wind Noise Reduction, Speak-to-Chat |
MICROPHONE | Bowers & Wilkins PI7 | Sony WF-1000XM4 |
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Form Factor | Built-in | Built-in | |
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Microphone Operation Mode | - | Omni-directional | |
Microphones Included | 6 | 2 | Bowers & Wilkins PI7 have a built-in microphone. |
REMOTE CONTROL | Bowers & Wilkins PI7 | Sony WF-1000XM4 |
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Controls | Answer/end, play/pause, next/previous track, reject call, voice assistant, ANC on/off, ANC mode | Tap control |
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CABLE | Bowers & Wilkins PI7 | Sony WF-1000XM4 |
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Cable Type | USB-C charge cable - detachable - 20 cm USB-C to mini-phone 3.5 mm cable - detachable |
USB-C charge cable - detachable |
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FEATURES | Bowers & Wilkins PI7 | Sony WF-1000XM4 |
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Features | Fast charge, auto power on/off | - | |
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Internet of Things (IoT) Compatible | - | Yes | |
Intelligent Assistant | - | Google Assistant, Alexa | |
Sensors | Wear sensor | Proximity sensor, bone sensor |
BATTERY AND CHARGING | Bowers & Wilkins PI7 | Sony WF-1000XM4 |
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Battery Type | Headphone battery rechargeable - wireless charging | Headphone battery rechargeable - wireless charging | |
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Battery Life | 4 hour(s) | 12 hour(s) | Sony WF-1000XM4 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 (noise cancelling OFF): up to 12 hours Continuous playback (noise cancelling ON): up to 8 hours Continuous talk (noise cancelling OFF): up to 6 hours Continuous talk (noise cancelling ON): up to 5.5 hours |
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Wireless Charging Standards | Qi | Qi | |
Charging Time | 3 hour(s) | 1.5 hour(s) | Sony WF-1000XM4 recharge faster than Bowers & Wilkins PI7. |
CONNECTIONS | Bowers & Wilkins PI7 | Sony WF-1000XM4 |
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Connector Type | - | Bluetooth USB (power only) (USB Type-C) |
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OTHERS | Bowers & Wilkins PI7 | Sony WF-1000XM4 |
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Included Accessories | 3 pairs of ear tips (small, medium, large), USB-C charging cable, wireless charging case, 3.5 mm to USB-C cable | USB-C to USB-A cable, 3 sizes of noise isolation earbud tips | |
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Compatibility | iPhone, iPad, Android phone, Android tablet | - | |
Compliant Standards | - | IPX4 | |
Service & Support | Limited warranty - 2 years | - |