Free sample 20x40mm speaker driver 4 ohm 3w internal speaker
| Specification | |
|---|---|
| Speaker | Audio speaker |
| Model | 4020CB04 |
| Diameter | (Dia )40MM*20MM (W) |
| Rated power | 3watt Max 3.5 watt |
| Nominal Impedance | 4 Ohm±15% |
| Lowest Resonance Frequency | 855±20% HZ |
| Output Sound Pressure Level(S.P.L) | 101± 3db. |
| Effective Frequency Band | F0-16KHZ ,Average SPL±10db |
| Certificate |  |
