 | 5.71 in 1.06 in  | |
| Available colors | ||
| Editiorial reviews | ||
| User rating |
 Koss Porta Pro |  Sennheiser PX 100-IIi | |
|---|---|---|
| Sound output | Stereo | Stereo |
| Style | On-Ear | On-Ear |
| Connectivity technology | Wired | Wired |
| Headset (integrated/enclosed microphone) | no | no |
| Magnet material | Neodymium | Neodymium |
| Koss Porta Pro | Sennheiser PX 100-IIi | |
|---|---|---|
| Colour of product |
|
|
| Attachment type | Headband | Headband |
| Category | Audiophile | Studio |
| Foldable | yes | yes |
| Koss Porta Pro | Sennheiser PX 100-IIi | |
|---|---|---|
| Weight | 2.79 oz | 2.12 oz |
| Koss Porta Pro | Sennheiser PX 100-IIi | |
|---|---|---|
| Impedance | 60.0 Ω | 32.0 Ω |
| Sensitivity | < 101 | < 114 |
| Frequency range | 15 - 25000 | 15 - 27000 |
| Driver technology | Dynamic | Dynamic |
| Driver size | 0.14 in | 1.18 in |
| Total harmonic distortion (THD) | 0.2 % | 0.1 % |
| Koss Porta Pro | Sennheiser PX 100-IIi | |
|---|---|---|
| Inputs supported | 3.5mm | 3.5mm |
| Cable length | 1.2 | 1.4 |
| 3.5 mm/6.3 mm adapter included | yes | no |
| Type of connector | 3.5mm | 3.5mm |
| Detachable cable | no | no |
| Koss Porta Pro | Sennheiser PX 100-IIi | |
|---|---|---|
| Buttons | Play/Pause |
|
| Carrying case | yes | yes |
| Koss Porta Pro | Sennheiser PX 100-IIi | |
|---|---|---|
| Battery operated | no | no |
| Pros | ||
|---|---|---|
| Cons |
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