- 品牌/型号：QSS-4210
| Model No | QSS-4210 |
| Rated Voltager | 9VDC |
| Operating Voltage | 6～12VDC |
| Max.Rated Current | 50mA /9VDC |
| Min.Sound Pressure Level | 98dB at 9VDC/30cm |
| Resonant Frequency | 2.8±0.5KHz |
| Operating Temperature | -20℃~+60℃ |
| Weight | 19g |
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