Koss Porta Pro Communication Headset
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| Brand: | Koss |
| Description: | Connection type: wired, headphone type: headset, connector: mini jack 3.5 mm |
| Connection type: | With wire |
| Connector: | mini jack 3.5 mm |
| Impedance: | 60 ohm |
| Sensitivity: | 101 dB |
| Length of cable: | 1.2 m |
| Mount type: | Headband |
| Microphone type: | Condenser/electret |
| Maximum playback frequency: | 25000 Hz |
| Minimum repeatable frequency: | 15 Hz |
| Microphone mount: | Mobile |
| Headphone type: | Headset |
| Membrane diameter: | 40 mm |