| Model Number | KJ-390D USB |
|---|---|
| Abridged Description | Office Headset for Unified Communication |
- Expertise makes better user experience and quality communication
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Build your hopes on KJ Electron. We present the future of sounds with our user-friendly, high workability and global design products. Share your trust with us and get supported. We help you start great business for your prosperity.
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• Office USB headset with noise-cancelling microphone
• Plug-and-play. Easy to use USB 2.0
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• Ultra-soft big leatherette ear cushions for superior comfort.
• In-line controller for adjusting volume and microphone mute function
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• Available in both monaural and binaural
• Soft silicon headband cushion for even better comfort
| Microphone Sensitivity | -52±3dB |
|---|---|
| Sensitivity Difference | 500 Hz to 4000 Hz ＞ 8dB |
| Microphone Frequency | 100-12000Hz |
| Microphone Type | Unidirectional |
| Impedance | Max. 2.2KΩ 1KHz (RL=2.2KΩ) |
| Maximum Sound Pressure Level | 115dB S.P.L |
| Speaker Impedance | 32Ω |
| Frequency Response | 210Hz ~ 20KHz(±10dB) |
| Sound Pressure Level | 129dB ± 3dB at 1000Hz |
| Microphone Boom | 270 degrees rotating boom |
|---|---|
| Acoustic Shock Protection | Protects users' ears from sudden peak noises |
KYUNG JIN ELECTRON CO., LTD / Address : Rm#304-2, Hanshin IT Tower 2-cha, 47 Daigital-ro 9-gil, Geumcheon-Gu, Seoul KoreaTEL : +82-2-2025-6180 / FAX : +82-2-2025-6182 / MAIL : kj@kj-headset.co.kr