In depth comparison and review of Poly Blackwire C225 and Bowers & Wilkins PX. 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 | Poly Blackwire C225 | Bowers & Wilkins PX |
|---|
| Product Type | Headset - wired - 3.5 mm jack | Headphones - Bluetooth - wireless - USB, 3.5 mm jack | |
|---|---|---|---|
| Weight | - | 335 g | |
| Colour | - | Space grey | Soft gold | |
| Earpad Material | - | Soft leather, memory foam | |
| Headband Material | Metal | - | |
| Recommended Use | Portable electronics, computer | Portable electronics |
| SOUND QUALITY | Poly Blackwire C225 | Bowers & Wilkins PX |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Adjustable Headband | - | Yes | |
| Foldable | - | Yes | Bowers & Wilkins PX can be folded. |
| Connectivity Technology | Wired | 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 | Stereo | |
| Frequency Response | 20 - 20000 Hz | 10 - 20000 Hz | Bowers & Wilkins PX offer a larger frequency range than Poly Blackwire C225. |
| Total Harmonic Distortion (THD) | - | <0.3% | |
| Sensitivity | - | 111 dB | |
| Impedance | - | 22 Ohm | |
| Diaphragm | - | 40 mm | |
| Features | SoundGuard Technology | Bluetooth aptX technology | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Poly Blackwire C225 | Bowers & Wilkins PX |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Frequency Response | 100 - 10000 Hz | - | |
| Microphones Included | - | 6 |
| REMOTE CONTROL | Poly Blackwire C225 | Bowers & Wilkins PX |
|---|
| Controls | Mute, volume, answer/end | Volume control, on/off, answer/end, play/pause, next/previous track |
|---|
| CABLE | Poly Blackwire C225 | Bowers & Wilkins PX |
|---|
| Cable Type | Headset cable | Headphones cable - detachable - 1.2 m | |
|---|---|---|---|
| Detachable Cable | - | Yes |
| BATTERY AND CHARGING | Poly Blackwire C225 | Bowers & Wilkins PX |
|---|
| 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 |
| CONNECTIONS | Poly Blackwire C225 | Bowers & Wilkins PX |
|---|
| Connector Type | Headset (mini-phone stereo 3.5 mm 4-pole) | Headphones (mini-phone stereo 3.5 mm 4-pole) USB (USB Type-C) |
|---|
| OTHERS | Poly Blackwire C225 | Bowers & Wilkins PX |
|---|
| Included Accessories | - | Protective pouch, USB charging cable (120cm) | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | - |
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