In depth comparison and review of Bowers & Wilkins P9 Signature and Poly Blackwire C725-UC. 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 P9 Signature | Poly Blackwire C725-UC |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - wired - USB | |
|---|---|---|---|
| Series | - | 700 Series | |
| Weight | 413 g | - | |
| Colour | Brown | - | |
| Earpad Material | Leather, memory foam | - | |
| Headband Material | Aluminium, memory foam | - | |
| Recommended Use | - | Computer |
| SOUND QUALITY | Bowers & Wilkins P9 Signature | Poly Blackwire C725-UC |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Foldable | Yes | - | Bowers & Wilkins P9 Signature can be folded. |
| Connectivity Technology | Wired | Wired | |
| Active Noise Cancelling | - | Yes | Poly Blackwire C725-UC are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | SoundGuard | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 2 - 30000 Hz | 20 - 20000 Hz | Bowers & Wilkins P9 Signature offer a larger frequency range than Poly Blackwire C725-UC. |
| Max Input Power | 50 mW | - | |
| Total Harmonic Distortion (THD) | 0.2% | - | |
| Sensitivity | 111 dB | - | |
| Impedance | 22 Ohm | - | |
| Diaphragm | 40 mm | - | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Bowers & Wilkins P9 Signature | Poly Blackwire C725-UC |
|---|
| Form Factor | - | Headset microphone | |
|---|---|---|---|
| Type | On-cable | Boom | |
| Frequency Response | - | 100 - 8000 Hz |
| REMOTE CONTROL | Bowers & Wilkins P9 Signature | Poly Blackwire C725-UC |
|---|
| Controls | - | Mute, volume, answer/end |
|---|
| CABLE | Bowers & Wilkins P9 Signature | Poly Blackwire C725-UC |
|---|
| Cable Type | Headphones cable - detachable - 1.2 m Headphones cable - detachable - 5 m |
USB cable - 2.04 m | |
|---|---|---|---|
| Cable Length | - | 2.04 m | |
| Detachable Cable | Yes | - |
| CONNECTIONS | Bowers & Wilkins P9 Signature | Poly Blackwire C725-UC |
|---|
| Connector Type | Headphones (mini-phone 3.5 mm 4-pole) | USB (4 PIN USB Type A) |
|---|
| OTHERS | Bowers & Wilkins P9 Signature | Poly Blackwire C725-UC |
|---|
| Included Accessories | Carrying case, 3.5 mm to 6.3 mm adapter | Carrying case | |
|---|---|---|---|
| Service & Support | Limited warranty - parts and labour - 2 years | Limited warranty - 2 years |
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