7.48 in 7.56 in  |  | |
| Available colors | ||
| Editiorial reviews | ||
| User rating |
 Bowers & Wilkins P7 |  Koss P9 | |
|---|---|---|
| Style | On-Ear | In-Ear |
| Connectivity technology | Wired | Wired |
| Headset (integrated/enclosed microphone) | yes | yes |
| Bowers & Wilkins P7 | Koss P9 | |
|---|---|---|
| Colour of product | Black |
|
| Acoustic design | Closed | Closed |
| Attachment type | Headband | Neckband |
| Bowers & Wilkins P7 | Koss P9 | |
|---|---|---|
| Weight | 10.23 oz | 0.71 oz |
| Bowers & Wilkins P7 | Koss P9 | |
|---|---|---|
| Impedance | 22.0 Ω | 32.0 Ω |
| Sensitivity | < 111 | < 102 |
| Frequency range | 10 - 20000 | 40 - 20000 |
| Driver technology | Dynamic | Dynamic |
| Total harmonic distortion (THD) | 0.3 % | 1.0 % |
| Bowers & Wilkins P7 | Koss P9 | |
|---|---|---|
| Cable length | 1.2 | 1219 |
| Type of connector | 3.5mm | 3.5mm |
| Bowers & Wilkins P7 | Koss P9 | |
|---|---|---|
| Buttons |
| Volume |
| Bowers & Wilkins P7 | Koss P9 | |
|---|---|---|
| Battery operated | no | no |
| Pros | ||
|---|---|---|
| Cons |
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