In depth comparison and review of Bowers & Wilkins PX7 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 PX7 | Poly Savi 8240-M D2 |
|---|
| Product Type | Headphones - Bluetooth - wireless, wired - 3.5 mm jack, USB-C | Headset | |
|---|---|---|---|
| Height | 22 cm | - | |
| Width | 17.5 cm | - | |
| Depth | 8 cm | - | |
| Weight | 304 g | - | |
| Colour | Carbon | Space grey | Silver | - | |
| Earpad Material | Soft leather, memory foam | - | |
| Headband Material | Carbon fibre | - | |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | Bowers & Wilkins PX7 | Poly Savi 8240-M D2 |
|---|
| Headphones Form Factor | Full size | - | |
|---|---|---|---|
| Adjustable Headband | Yes | - | |
| Foldable | Yes | - | Bowers & Wilkins PX7 can be folded. |
| Connectivity Technology | Wireless, wired | - | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 5.0 | - | |
| 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, aptX HD | - | |
| 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 | - | |
| Frequency Response | 10 - 30000 Hz | - | |
| Total Harmonic Distortion (THD) | <0.3% | - | |
| Sensitivity | 111 dB | - | |
| Impedance | 20 Ohm | - | |
| Diaphragm | 43.6 mm | - |
| MICROPHONE | Bowers & Wilkins PX7 | Poly Savi 8240-M D2 |
|---|
| Form Factor | 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 | Poly Savi 8240-M D2 |
|---|
| Controls | Volume control, on/off, answer/end, play/pause, next/previous track | - |
|---|
| CABLE | Bowers & Wilkins PX7 | Poly Savi 8240-M D2 |
|---|
| Cable Type | Headphones cable - detachable - 1.2 m USB to USB-C cable - detachable - 1.2 m |
- | |
|---|---|---|---|
| Detachable Cable | Yes | - |
| FEATURES | Bowers & Wilkins PX7 | Poly Savi 8240-M D2 |
|---|
| Sensors | Proximity sensor | - |
|---|
| BATTERY AND CHARGING | Bowers & Wilkins PX7 | Poly Savi 8240-M D2 |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | - | |
|---|---|---|---|
| Battery Life | 30 hour(s) | - | |
| Battery Life Details | Continuous playback (noise cancelling ON / Bluetooth): up to 30 hours Continuous playback (with 15 min charge): up to 5 hours |
- |
| CONNECTIONS | Bowers & Wilkins PX7 | Poly Savi 8240-M D2 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) USB (USB Type-C) |
- |
|---|
| OTHERS | Bowers & Wilkins PX7 | Poly Savi 8240-M D2 |
|---|
| Included Accessories | Carrying case | - | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | - |
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