In depth comparison and review of Bowers & Wilkins P9 Signature and Sennheiser HD 300 PROtect. 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 | Sennheiser HD 300 PROtect |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - wired - 3.5 mm jack | |
|---|---|---|---|
| Weight | 413 g | 297 g | Sennheiser HD 300 PROtect are lighter than Bowers & Wilkins P9 Signature headphones. |
| Colour | Brown | - | |
| Earpad Material | Leather, memory foam | - | |
| Headband Material | Aluminium, memory foam | - |
| SOUND QUALITY | Bowers & Wilkins P9 Signature | Sennheiser HD 300 PROtect |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Foldable | Yes | - | Bowers & Wilkins P9 Signature can be folded. |
| Connectivity Technology | Wired | Wired | |
| Active Noise Cancelling | - | Yes | Sennheiser HD 300 PROtect are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 2 - 30000 Hz | 6 - 25000 Hz | Bowers & Wilkins P9 Signature offer a larger frequency range than Sennheiser HD 300 PROtect. |
| Max Input Power | 50 mW | 500 mW | |
| Total Harmonic Distortion (THD) | 0.2% | <0.1% | Sennheiser HD 300 PROtect have lower total harmonic distortion than Bowers & Wilkins P9 Signature. |
| Sensitivity | 111 dB | 108 dB | Bowers & Wilkins P9 Signature have higher sensitivity than Sennheiser HD 300 PROtect. |
| Impedance | 22 Ohm | 64 Ohm | |
| Diaphragm | 40 mm | - |
| MICROPHONE | Bowers & Wilkins P9 Signature | Sennheiser HD 300 PROtect |
|---|
| Type | On-cable | - |
|---|
| CABLE | Bowers & Wilkins P9 Signature | Sennheiser HD 300 PROtect |
|---|
| Cable Type | Headphones cable - detachable - 1.2 m Headphones cable - detachable - 5 m |
Headphones cable - 1.55 m | |
|---|---|---|---|
| Cable Length | - | 1.55 m | |
| Detachable Cable | Yes | - |
| FEATURES | Bowers & Wilkins P9 Signature | Sennheiser HD 300 PROtect |
|---|
| Features | - | EPOS ActiveGard |
|---|
| CONNECTIONS | Bowers & Wilkins P9 Signature | Sennheiser HD 300 PROtect |
|---|
| Connector Type | Headphones (mini-phone 3.5 mm 4-pole) | Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Bowers & Wilkins P9 Signature | Sennheiser HD 300 PROtect |
|---|
| Included Accessories | Carrying case, 3.5 mm to 6.3 mm adapter | 6.3 mm (1/4") stereo adapter | |
|---|---|---|---|
| Service & Support | Limited warranty - parts and labour - 2 years | - |
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