Best loudspeaker unit with waterproof ploy cone 28x40mm 8 ohm raw speaker
| Specification | |
|---|---|
| Speaker | Audio speaker |
| Model | 4028CM08R |
| Diameter | (Dia )40MM*28MM (W) |
| Rated power | 2 watt Max 3.5 watt |
| Nominal Impedance | 8 Ohm±15% |
| Lowest Resonance Frequency | 700±20% HZ |
| Output Sound Pressure Level(S.P.L) | 99± 3db. |
| Effective Frequency Band | F0-20KHZ ,Average SPL±10db |
| Certificate |  |
