| Model | LET4020S-03L-4.0-12-R | 
| Rated Voltage | 3Vp-p | 
| Operating Voltage | 2~5Vp-p | 
| Consumption | ≤100mA | 
| Coil Resistance | 12±2Ω | 
| Sound Output at10cm | ≥70dB | 
| Resonant Frequency | 4000Hz | 
| Operating Temperature | '-40~+105℃ | 
| Storage Temperature | '-40~+120℃ | 
| Weight | 0.1g | 
| Carton size | 34.5*35*36.5cm | 
| Quantity | 30pcs | 
| Gross Weight | 8Kg |