In depth comparison and review of Bowers & Wilkins P9 Signature and Sennheiser HMDC 27. 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 HMDC 27 |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - wired | |
|---|---|---|---|
| Weight | 413 g | 240 g | Sennheiser HMDC 27 are lighter than Bowers & Wilkins P9 Signature headphones. |
| Colour | Brown | - | |
| Earpad Material | Leather, memory foam | - | |
| Headband Material | Aluminium, memory foam | - | |
| Recommended Use | - | Professional audio |
| SOUND QUALITY | Bowers & Wilkins P9 Signature | Sennheiser HMDC 27 |
|---|
| 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 HMDC 27 are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 2 - 30000 Hz | 8 - 18000 Hz | Bowers & Wilkins P9 Signature offer a larger frequency range than Sennheiser HMDC 27. |
| Max Input Power | 50 mW | - | |
| Total Harmonic Distortion (THD) | 0.2% | <0.1% | Sennheiser HMDC 27 have lower total harmonic distortion than Bowers & Wilkins P9 Signature. |
| Sensitivity | 111 dB | - | |
| Impedance | 22 Ohm | - | |
| Max Sound Pressure | - | 128 dB | |
| Diaphragm | 40 mm | - |
| MICROPHONE | Bowers & Wilkins P9 Signature | Sennheiser HMDC 27 |
|---|
| Type | On-cable | Boom | |
|---|---|---|---|
| Microphone Technology | - | Dynamic | |
| Microphone Operation Mode | - | Hypercardioid | |
| Frequency Response | - | 40 - 18000 Hz |
| CABLE | Bowers & Wilkins P9 Signature | Sennheiser HMDC 27 |
|---|
| Cable Type | Headphones cable - detachable - 1.2 m Headphones cable - detachable - 5 m |
- | |
|---|---|---|---|
| Detachable Cable | Yes | - |
| FEATURES | Bowers & Wilkins P9 Signature | Sennheiser HMDC 27 |
|---|
| Features | - | EPOS ActiveGard |
|---|
| CONNECTIONS | Bowers & Wilkins P9 Signature | Sennheiser HMDC 27 |
|---|
| Connector Type | Headphones (mini-phone 3.5 mm 4-pole) | - |
|---|
| OTHERS | Bowers & Wilkins P9 Signature | Sennheiser HMDC 27 |
|---|
| Included Accessories | Carrying case, 3.5 mm to 6.3 mm adapter | Wind screen, cable clip, headband padding | |
|---|---|---|---|
| Service & Support | Limited warranty - parts and labour - 2 years | - |
cs
sk
de
it
es
fr
hu
pt
ru
pl
br
ro
