Cheap price 40mm 4ohm 3 watt loud speaker (H40F04-01)
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Product Description
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| Speaker | 3 watt loud speaker |
| Diameter | 40 x 21.5 (H)mm |
| Rated Power | 3.0 watt Max 4.0 watt |
| Nominal Impedance | 4 Ω±15% At 1000 Hz test |
| Lowest Resonance Frequency | 450Hz ± 20% |
| Output Sound Pressure Level | 102± 3db / 0.1 W/1260 mv 10 cm Average at 500.600.800.1000 HZ |
| Effective Frequency Band | fo -10k Hz Average SPL ±10 dB |
| Distortion | 5% Maxium at 1000 HZ 0.1W/0.1M |
| Pure tone Test | Must be normal at sine wave 4 V at 300HZ ~ 3KHz |
| Certificate | ROHS , CE, REACH, ISO9001 |
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