In depth comparison and review of Bowers & Wilkins P9 Signature and EPOS I SENNHEISER IMPACT SC 660 TC. 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 | EPOS I SENNHEISER IMPACT SC 660 TC |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - wired - Easy Disconnect | |
|---|---|---|---|
| Weight | 413 g | 113 g | EPOS I SENNHEISER IMPACT SC 660 TC are lighter than Bowers & Wilkins P9 Signature headphones. |
| Colour | Brown | Black with silver | |
| Earpad Material | Leather, memory foam | Leatherette | |
| Headband Material | Aluminium, memory foam | - |
| SOUND QUALITY | Bowers & Wilkins P9 Signature | EPOS I SENNHEISER IMPACT SC 660 TC |
|---|
| 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 - 18000 Hz | Bowers & Wilkins P9 Signature offer a larger frequency range than EPOS I SENNHEISER IMPACT SC 660 TC. |
| Max Input Power | 50 mW | - | |
| Total Harmonic Distortion (THD) | 0.2% | - | |
| Sensitivity | 111 dB | 103 dB | Bowers & Wilkins P9 Signature have higher sensitivity than EPOS I SENNHEISER IMPACT SC 660 TC. |
| Impedance | 22 Ohm | 200 Ohm | |
| Diaphragm | 40 mm | - | |
| Magnet Material | - | Neodymium |
| MICROPHONE | Bowers & Wilkins P9 Signature | EPOS I SENNHEISER IMPACT SC 660 TC |
|---|
| Form Factor | - | Headset microphone | |
|---|---|---|---|
| Type | On-cable | Boom | |
| Frequency Response | - | 150 - 6800 Hz |
| CABLE | Bowers & Wilkins P9 Signature | EPOS I SENNHEISER IMPACT SC 660 TC |
|---|
| Cable Type | Headphones cable - detachable - 1.2 m Headphones cable - detachable - 5 m |
Headset cable - 1 m | |
|---|---|---|---|
| Detachable Cable | Yes | - |
| CONNECTIONS | Bowers & Wilkins P9 Signature | EPOS I SENNHEISER IMPACT SC 660 TC |
|---|
| Connector Type | Headphones (mini-phone 3.5 mm 4-pole) | Headset (EasyDisconnect) |
|---|
| OTHERS | Bowers & Wilkins P9 Signature | EPOS I SENNHEISER IMPACT SC 660 TC |
|---|
| Included Accessories | Carrying case, 3.5 mm to 6.3 mm adapter | Carrying pouch, leatherette ear pads, cable clip | |
|---|---|---|---|
| Service & Support | Limited warranty - parts and labour - 2 years | Limited warranty - 3 years |
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