In depth comparison and review of Bowers & Wilkins PX7 and Sony WH-CH520. 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 PX7 | Sony WH-CH520 |
|---|
| Product Type | Headphones - Bluetooth - wireless, wired - 3.5 mm jack, USB-C | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | 22 cm | - | |
| Width | 17.5 cm | - | |
| Depth | 8 cm | - | |
| Weight | 304 g | 147 g | Sony WH-CH520 are lighter than Bowers & Wilkins PX7 headphones. |
| Colour | Carbon | Space grey | Silver | Beige | Black | Blue | White | |
| Body Material | - | Recycled plastic | |
| Earpad Material | Soft leather, memory foam | - | |
| Headband Material | Carbon fibre | - | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Bowers & Wilkins PX7 | Sony WH-CH520 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Ear Cups Type | - | Closed | |
| Adjustable Headband | Yes | Yes | |
| Foldable | Yes | - | Bowers & Wilkins PX7 can be folded. |
| Connectivity Technology | Wireless, wired | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.2 | Sony WH-CH520 have a more advanced version of Bluetooth than Bowers & Wilkins PX7. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Generic Access Profile (GAP), Service Discovery Application Profile (SDAP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), Device ID Profile (DIP) | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | SBC, AAC, aptX, aptX HD | SBC, AAC | |
| Active Noise Cancelling | Yes | - | Bowers & Wilkins PX7 are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | Adaptive Noise Cancelling | - | |
| Noise Isolating | Yes | - | Bowers & Wilkins PX7 are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | Digital Sound Enhancement Engine (DSEE), 360 Reality Audio | |
| Frequency Response | 10 - 30000 Hz | 20 - 20000 Hz | Bowers & Wilkins PX7 offer a larger frequency range than Sony WH-CH520. |
| Total Harmonic Distortion (THD) | <0.3% | - | |
| Sensitivity | 111 dB | - | |
| Impedance | 20 Ohm | - | |
| Diaphragm | 43.6 mm | 30 mm | Bowers & Wilkins PX7 have a thicker diaphragm than Sony WH-CH520. |
| Simultaneously Connectable Devices Qty (Multipoint) | - | 2 | Sony WH-CH520 have the ability to connect to multiple devices simultaneously. |
| Features | - | MultiPoint Technology, Google Fast Pair, Microsoft Swift Pair |
| MICROPHONE | Bowers & Wilkins PX7 | Sony WH-CH520 |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Noise Cancelling | Yes | - | Bowers & Wilkins PX7 microphone can cancel out ambient noise. |
| Noise Cancelling Technology | CVC2 (Clear Voice Communication v2) | - | |
| Microphones Included | 6 | - |
| REMOTE CONTROL | Bowers & Wilkins PX7 | Sony WH-CH520 |
|---|
| Controls | Volume control, on/off, answer/end, play/pause, next/previous track | Volume, play/pause, skip track |
|---|
| CABLE | Bowers & Wilkins PX7 | Sony WH-CH520 |
|---|
| Cable Type | Headphones cable - detachable - 1.2 m USB to USB-C cable - detachable - 1.2 m |
USB-C charge cable | |
|---|---|---|---|
| Detachable Cable | Yes | - |
| FEATURES | Bowers & Wilkins PX7 | Sony WH-CH520 |
|---|
| Internet of Things (IoT) Compatible | - | Yes | |
|---|---|---|---|
| Voice Control | - | Direct | |
| Intelligent Assistant | - | Siri, Google Assistant | |
| Sensors | Proximity sensor | - |
| BATTERY AND CHARGING | Bowers & Wilkins PX7 | Sony WH-CH520 |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | 30 hour(s) | 50 hour(s) | Sony WH-CH520 lasts longer on a single charge than the Bowers & Wilkins PX7. |
| Battery Life Details | Continuous playback (noise cancelling ON / Bluetooth): up to 30 hours Continuous playback (with 15 min charge): up to 5 hours |
Continuous playback: up to 50 hours Continuous talk: up to 40 hours |
|
| Standby Time | - | 200 hours | |
| Charging Time | - | 3 hour(s) |
| CONNECTIONS | Bowers & Wilkins PX7 | Sony WH-CH520 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) USB (USB Type-C) |
USB (power only) (USB Type-C) Bluetooth |
|---|
| OTHERS | Bowers & Wilkins PX7 | Sony WH-CH520 |
|---|
| Included Accessories | Carrying case | - | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | - |
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