| 出生地 |
Guangdong China (Mainland) |
| 牌子的名字 |
AT |
| 模式的数量 |
AT3840 |
Rated Voltage5.5VOperating Voltage530VResonant Frequency25±5KHz(2.550KHz)Sound Pressure Leve22Kc/110dB/8Vp-p ( 45Kc/93dB/8Vp-p)Operating Temperature Range -20+60Storage Temperature Range -30+70Housing MaterialABSWeight4.0g