In depth comparison and review of Bowers & Wilkins PX and Poly Savi 8240-M D2. 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 PX | Poly Savi 8240-M D2 |
|---|
| Product Type | Headphones - Bluetooth - wireless - USB, 3.5 mm jack | Headset | |
|---|---|---|---|
| Weight | 335 g | - | |
| Colour | Space grey | Soft gold | - | |
| Earpad Material | Soft leather, memory foam | - | |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | Bowers & Wilkins PX | Poly Savi 8240-M D2 |
|---|
| Headphones Form Factor | Full size | - | |
|---|---|---|---|
| Adjustable Headband | Yes | - | |
| Foldable | Yes | - | Bowers & Wilkins PX can be folded. |
| Connectivity Technology | Wireless | - | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 4.1 | - | |
| 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 | SBC, AAC, aptX HD | - | |
| Active Noise Cancelling | Yes | - | Bowers & Wilkins PX are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | Adaptive Noise Cancelling | - | |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 10 - 20000 Hz | - | |
| Total Harmonic Distortion (THD) | <0.3% | - | |
| Sensitivity | 111 dB | - | |
| Impedance | 22 Ohm | - | |
| Diaphragm | 40 mm | - | |
| Features | Bluetooth aptX technology | - |
| MICROPHONE | Bowers & Wilkins PX | Poly Savi 8240-M D2 |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Microphones Included | 6 | - |
| REMOTE CONTROL | Bowers & Wilkins PX | Poly Savi 8240-M D2 |
|---|
| Controls | Volume control, on/off, answer/end, play/pause, next/previous track | - |
|---|
| CABLE | Bowers & Wilkins PX | Poly Savi 8240-M D2 |
|---|
| Cable Type | Headphones cable - detachable - 1.2 m | - | |
|---|---|---|---|
| Detachable Cable | Yes | - |
| BATTERY AND CHARGING | Bowers & Wilkins PX | Poly Savi 8240-M D2 |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | - | |
|---|---|---|---|
| Battery Capacity | 850 mAh | - | |
| Battery Life | 50 hour(s) | - | |
| Battery Life Details | Continuous playback (noise cancelling OFF / cable connection): up to 50 hours Continuous playback (noise cancelling ON / cable connection): up to 33 hours Continuous playback (noise cancelling OFF): up to 29 hours Continuous playback (noise cancelling ON / Bluetooth): up to 22 hours |
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| CONNECTIONS | Bowers & Wilkins PX | Poly Savi 8240-M D2 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) USB (USB Type-C) |
- |
|---|
| OTHERS | Bowers & Wilkins PX | Poly Savi 8240-M D2 |
|---|
| Included Accessories | Protective pouch, USB charging cable (120cm) | - |
|---|
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