Headphones Koss R90
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| Weight: | 212 g |
| Design: | Full size |
| Description: | Design: full-size, device type: wired headphones, plug connector: mini jack 3.5 mm, acoustic design type: closed |
| Additional Information: | The plug is gold plated. |
| Plug connector: | mini jack 3.5 mm |
| Harmonic coefficient: | 0.3 % |
| Impedance: | 60 ohm |
| Sensitivity: | 100 dB |
| Included: | Adapter 6.3 mm |
| Length of cable: | 2.4 m |
| Device type: | Wired headphones |
| Maximum playback frequency: | 23000 Hz |
| Minimum repeatable frequency: | 18 Hz |
| Type of acoustic design: | Closed |