In depth comparison and review of Bowers & Wilkins P9 Signature and Sony WH-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 P9 Signature | Sony WH-1000XM4 |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - Bluetooth - wireless, wired - NFC - 3.5 mm jack | |
|---|---|---|---|
| Height | - | 25.2 cm | |
| Width | - | 7.7 cm | |
| Length | - | 18.5 cm | |
| Weight | 413 g | 520 g | Bowers & Wilkins P9 Signature are lighter than Bowers & Wilkins P9 Signature headphones. |
| Colour | Brown | White | Black | Silver | Midnight blue | |
| Earpad Material | Leather, memory foam | Urethane foam | |
| Headband Material | Aluminium, memory foam | - | |
| Recommended Use | - | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m | |
| High-Resolution Audio | - | Yes |
| SOUND QUALITY | Bowers & Wilkins P9 Signature | Sony WH-1000XM4 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Foldable | Yes | Yes | Both headphones can be folded. |
| Connectivity Technology | Wired | Wireless, wired | |
| Wireless Technology | - | 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), Serial Copy Management System (SCMS-T) | |
| Bluetooth Audio Codec | - | SBC, AAC, LDAC | |
| Active Noise Cancelling | - | Yes | Sony WH-1000XM4 are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Ambient Sound Mode / Dual Noise Sensor | |
| Sound Output Mode | Stereo | - | |
| Sound Effects | - | Digital Sound Enhancement Engine Extreme (DSEE Extreme), Adaptive Sound Control, 360 Reality Audio | |
| Frequency Response | 2 - 30000 Hz | - | |
| Max Input Power | 50 mW | - | |
| Total Harmonic Distortion (THD) | 0.2% | - | |
| Sensitivity | 111 dB | - | |
| Impedance | 22 Ohm | - | |
| Diaphragm | 40 mm | Aluminium coated LCP - 40 mm | Both headphones are designed with same thick diaphragm. |
| Simultaneously Connectable Devices Qty (Multipoint) | - | 2 | Sony WH-1000XM4 have the ability to connect to multiple devices simultaneously. |
| Magnet Material | - | Neodymium | |
| Features | - | HD Noise Canceling Processor QN1, Speak-to-chat technology, Precise Voice Pickup Technology, Quick Attention function, CCAW coil, Smart Listening Technology, Personal Noise Cancelling Optimiser, Atmospheric Pressure Optimising |
| MICROPHONE | Bowers & Wilkins P9 Signature | Sony WH-1000XM4 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Microphones Included | - | 5 |
| REMOTE CONTROL | Bowers & Wilkins P9 Signature | Sony WH-1000XM4 |
|---|
| Controls | - | Volume control, ANC on/off |
|---|
| CABLE | Bowers & Wilkins P9 Signature | Sony WH-1000XM4 |
|---|
| Cable Type | Headphones cable - detachable - 1.2 m Headphones cable - detachable - 5 m |
USB-C charge cable - detachable Audio cable - OFC - L shaped / mini-phone stereo 3.5 mm - 1.2 m |
|
|---|---|---|---|
| Detachable Cable | Yes | Yes |
| FEATURES | Bowers & Wilkins P9 Signature | Sony WH-1000XM4 |
|---|
| Features | - | Touch control | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | - | Yes | |
| Intelligent Assistant | - | Google Assistant, Alexa | |
| Sensors | - | Proximity sensor, touch sensor | |
| Additional Functions | - | Touch panel |
| BATTERY AND CHARGING | Bowers & Wilkins P9 Signature | Sony WH-1000XM4 |
|---|
| Battery Type | - | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | - | 38 hour(s) | |
| Battery Life Details | - | Continuous playback (active noise-cancelling on): up to 30 hours Continuous playback (active noise-cancelling off): up to 38 hours |
|
| Standby Time | - | 200 hours | |
| Charging Time | - | 3 hour(s) | |
| Included Qty | - | 1 |
| CONNECTIONS | Bowers & Wilkins P9 Signature | Sony WH-1000XM4 |
|---|
| Connector Type | Headphones (mini-phone 3.5 mm 4-pole) | USB (power only) Bluetooth Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Bowers & Wilkins P9 Signature | Sony WH-1000XM4 |
|---|
| Included Accessories | Carrying case, 3.5 mm to 6.3 mm adapter | Carrying case, in-flight plug adapter, headphones cable (1.2 m), USB-C cable (0.2m) | |
|---|---|---|---|
| Service & Support | Limited warranty - parts and labour - 2 years | Limited warranty - parts - 1 year Limited warranty - labour - 90 days |
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