麦克风
| 麦克风频率 |
100 - 4500 Hz |
| 麦克风输入阻抗 |
100 Ω |
| 麦克风灵敏度 |
-39 dB |
耳机
| 原声系统 |
Open |
| 耳机频率 |
200 - 4500 Hz |
| 耳机灵敏度 |
24.5 dB |
| 阻抗 |
170 Ω |
DuoPro Corded Headsets
DuoPro is the ultimate in versatility. Available in over-the-head, over-the-ear and modular configurations, the new DuoPro offers all-day comfort and excellent sound quality. The breakthrough double T-pad headband and ergonomically designed earloop means the speaker pad does not press against your ear. Available with the Plantronics trademark voice tube or a noise-cancelling microphone. DuoPro includes a patent-pending anti-twist boom for perfect placement every time. No more "voice fade". DuoPro features advanced speaker technology for optimal voice clarity. If you are looking for extra productivity, comfort and style in one neat package, DuoPro is the answer - crisp and clear conversations all day.