Headphones Koss KEB4
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| Design: | Liners |
| Description: | Design: in-ear, device type: wired headphones, plug connector: mini jack 3.5 mm, acoustic design type: open |
| Additional Information: | Case included: yes |
| Plug connector: | mini jack 3.5 mm |
| Impedance: | 32 ohm |
| Sensitivity: | 90 dB |
| Length of cable: | 1.2 m |
| Device type: | Wired headphones |
| Mount type: | Without attachment |
| Maximum playback frequency: | 20000 Hz |
| Minimum repeatable frequency: | 70 Hz |
| Technology: | Dynamic |
| Type of acoustic design: | Open |