In depth comparison and review of Bang & Olufsen Beoplay H9i and Bowers & Wilkins PX7. 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 | Bang & Olufsen Beoplay H9i | Bowers & Wilkins PX7 |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headphones - Bluetooth - wireless, wired - 3.5 mm jack, USB-C | |
|---|---|---|---|
| Height | 20 cm | 22 cm | |
| Width | 19.5 cm | 17.5 cm | |
| Depth | 5.2 cm | 8 cm | |
| Weight | 285 g | 304 g | Bang & Olufsen Beoplay H9i are lighter than Bang & Olufsen Beoplay H9i headphones. |
| Colour | Natural | Black | Pine | Carbon | Space grey | Silver | |
| Body Material | Fabric, rubber, anodised aluminium, polymer | - | |
| Earpad Material | Leather, memory foam | Soft leather, memory foam | |
| Headband Material | Leather | Carbon fibre | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | Bang & Olufsen Beoplay H9i | Bowers & Wilkins PX7 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Adjustable Headband | - | Yes | |
| Foldable | - | Yes | Bowers & Wilkins PX7 can be folded. |
| Connectivity Technology | Wireless | Wireless, wired | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.2 | Bluetooth 5.0 | Bowers & Wilkins PX7 have a more advanced version of Bluetooth than Bang & Olufsen Beoplay H9i. |
| 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) | |
| Bluetooth Audio Codec | AAC | SBC, AAC, aptX, aptX HD | |
| Active Noise Cancelling | Yes | Yes | Both headphones are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | Hybrid ANC | Adaptive Noise Cancelling | |
| Noise Isolating | - | Yes | Bowers & Wilkins PX7 are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 22000 Hz | 10 - 30000 Hz | Bowers & Wilkins PX7 offer a larger frequency range than Bang & Olufsen Beoplay H9i. |
| Total Harmonic Distortion (THD) | - | <0.3% | |
| Sensitivity | 95 dB/mW | 111 dB | Bowers & Wilkins PX7 have higher sensitivity than Bang & Olufsen Beoplay H9i. |
| Impedance | 24 Ohm | 20 Ohm | |
| Diaphragm | 40 mm | 43.6 mm | Bowers & Wilkins PX7 have a thicker diaphragm than Bang & Olufsen Beoplay H9i. |
| MICROPHONE | Bang & Olufsen Beoplay H9i | Bowers & Wilkins PX7 |
|---|
| 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 | 2 | 6 | Bowers & Wilkins PX7 have a built-in microphone. |
| REMOTE CONTROL | Bang & Olufsen Beoplay H9i | Bowers & Wilkins PX7 |
|---|
| Controls | Volume, power on/off, answer/end, play/pause, next/previous track, pair mode, noise-cancellation suspend button, audio transparency | Volume control, on/off, answer/end, play/pause, next/previous track |
|---|
| CABLE | Bang & Olufsen Beoplay H9i | Bowers & Wilkins PX7 |
|---|
| Cable Type | Headphones cable - detachable - 1.2 m USB to USB-C cable - 1.25 m |
Headphones cable - detachable - 1.2 m USB to USB-C cable - detachable - 1.2 m |
|
|---|---|---|---|
| Cable Length | 1.2 m | - | |
| Detachable Cable | - | Yes |
| FEATURES | Bang & Olufsen Beoplay H9i | Bowers & Wilkins PX7 |
|---|
| Sensors | Proximity sensor | Proximity sensor |
|---|
| BATTERY AND CHARGING | Bang & Olufsen Beoplay H9i | Bowers & Wilkins PX7 |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | 770 mAh | - | |
| Battery Life | 24 hour(s) | 30 hour(s) | Bowers & Wilkins PX7 lasts longer on a single charge than the Bang & Olufsen Beoplay H9i. |
| Battery Life Details | Continuous playback (noise cancelling ON / Bluetooth): up to 18 hours Continuous playback (noise cancelling OFF): up to 23 hours Continuous playback (noise cancelling ON / cable connection): up to 24 hours |
Continuous playback (noise cancelling ON / Bluetooth): up to 30 hours Continuous playback (with 15 min charge): up to 5 hours |
|
| Charging Time | 2.5 hour(s) | - |
| CONNECTIONS | Bang & Olufsen Beoplay H9i | Bowers & Wilkins PX7 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | Headphones (mini-phone stereo 3.5 mm 4-pole) USB (USB Type-C) |
|---|
| OTHERS | Bang & Olufsen Beoplay H9i | Bowers & Wilkins PX7 |
|---|
| Included Accessories | Carrying pouch, airplane adapter | Carrying case | |
|---|---|---|---|
| Service & Support | Limited warranty - parts and labour - 2 years | Limited warranty - 2 years |
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