In depth comparison and review of Bowers & Wilkins P9 Signature and Poly EncorePro 320, QD. 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 EncorePro 320, QD |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - wired - Quick Disconnect | |
|---|---|---|---|
| Series | - | 300 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 EncorePro 320, QD |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Foldable | Yes | - | Bowers & Wilkins P9 Signature can be folded. |
| Connectivity Technology | Wired | Wired | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 2 - 30000 Hz | 50 - 8000 Hz | Bowers & Wilkins P9 Signature offer a larger frequency range than Poly EncorePro 320, QD. |
| Max Input Power | 50 mW | - | |
| Total Harmonic Distortion (THD) | 0.2% | - | |
| Sensitivity | 111 dB | - | |
| Impedance | 22 Ohm | 32 Ohm | |
| Max Sound Pressure | - | 118 dB | |
| Diaphragm | 40 mm | 28 mm | Bowers & Wilkins P9 Signature have a thicker diaphragm than Poly EncorePro 320, QD. |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Bowers & Wilkins P9 Signature | Poly EncorePro 320, QD |
|---|
| Type | On-cable | Boom | |
|---|---|---|---|
| Microphone Operation Mode | - | Uni-directional |
| REMOTE CONTROL | Bowers & Wilkins P9 Signature | Poly EncorePro 320, QD |
|---|
| Controls | - | Mute, volume |
|---|
| CABLE | Bowers & Wilkins P9 Signature | Poly EncorePro 320, QD |
|---|
| Cable Type | Headphones cable - detachable - 1.2 m Headphones cable - detachable - 5 m |
Headset cable | |
|---|---|---|---|
| Detachable Cable | Yes | - |
| CONNECTIONS | Bowers & Wilkins P9 Signature | Poly EncorePro 320, QD |
|---|
| Connector Type | Headphones (mini-phone 3.5 mm 4-pole) | Headset (Quick Disconnect) |
|---|
| OTHERS | Bowers & Wilkins P9 Signature | Poly EncorePro 320, QD |
|---|
| Included Accessories | Carrying case, 3.5 mm to 6.3 mm adapter | - | |
|---|---|---|---|
| Service & Support | Limited warranty - parts and labour - 2 years | - |
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