In depth comparison and review of Bowers & Wilkins PX7 and Sennheiser HD 450BT. 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 | Sennheiser HD 450BT |
|---|
| 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 | 238 g | Sennheiser HD 450BT are lighter than Bowers & Wilkins PX7 headphones. |
| Colour | Carbon | Space grey | Silver | Black | White | |
| Earpad Material | Soft leather, memory foam | - | |
| Headband Material | Carbon fibre | - | |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | Bowers & Wilkins PX7 | Sennheiser HD 450BT |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Adjustable Headband | Yes | - | |
| Foldable | Yes | Yes | Both headphones can be folded. |
| Connectivity Technology | Wireless, wired | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.0 | Both headphones have the same Bluetooth version. |
| 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, aptX, apt-X LL | |
| Active Noise Cancelling | Yes | Yes | Both headphones 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 | |
| Frequency Response | 10 - 30000 Hz | 18 - 22000 Hz | Bowers & Wilkins PX7 offer a larger frequency range than Sennheiser HD 450BT. |
| Total Harmonic Distortion (THD) | <0.3% | <0.3% | Both headphones have the same total harmonic distortion. |
| Sensitivity | 111 dB | - | |
| Impedance | 20 Ohm | - | |
| Max Sound Pressure | - | 108 dB | |
| Diaphragm | 43.6 mm | - |
| MICROPHONE | Bowers & Wilkins PX7 | Sennheiser HD 450BT |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Microphone Operation Mode | - | Beamforming | |
| Noise Cancelling | Yes | - | Bowers & Wilkins PX7 microphone can cancel out ambient noise. |
| Noise Cancelling Technology | CVC2 (Clear Voice Communication v2) | - | |
| Frequency Response | - | 80 - 6000 Hz | |
| Microphones Included | 6 | 2 | Bowers & Wilkins PX7 have a built-in microphone. |
| REMOTE CONTROL | Bowers & Wilkins PX7 | Sennheiser HD 450BT |
|---|
| Controls | Volume control, on/off, answer/end, play/pause, next/previous track | - |
|---|
| CABLE | Bowers & Wilkins PX7 | Sennheiser HD 450BT |
|---|
| Cable Type | Headphones cable - detachable - 1.2 m USB to USB-C cable - detachable - 1.2 m |
Audio cable - detachable USB-C charge cable - detachable |
|
|---|---|---|---|
| Detachable Cable | Yes | - |
| FEATURES | Bowers & Wilkins PX7 | Sennheiser HD 450BT |
|---|
| Sensors | Proximity sensor | - |
|---|
| BATTERY AND CHARGING | Bowers & Wilkins PX7 | Sennheiser HD 450BT |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | - | 600 mAh | |
| Battery Life | 30 hour(s) | 30 hours | Both headphones last the same amount of time on a single charge. |
| Battery Life Details | Continuous playback (noise cancelling ON / Bluetooth): up to 30 hours Continuous playback (with 15 min charge): up to 5 hours |
- | |
| Charging Time | - | 2 hours |
| CONNECTIONS | Bowers & Wilkins PX7 | Sennheiser HD 450BT |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) USB (USB Type-C) |
- |
|---|
| OTHERS | Bowers & Wilkins PX7 | Sennheiser HD 450BT |
|---|
| Included Accessories | Carrying case | Carrying case | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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