China speaker manufacturer 27mm 4ohm flat panel speaker ( H27CP04-1 )
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| Speaker | flat panel speaker |
| Rated Power | 3.0 watt Max 4.0 watt |
Nominal Impedance | 4 Ω±15% At 1000 Hz test |
| Lowest Resonance Frequency | 450 Hz ± 20% |
| Output Sound Pressure Level | 83± 3db / 0.01 W/890 mv 10 cm |
| Average at600.800.1000.1200 HZ | |
| Effective Frequency Band | fo -20k Hz Average SPL ±10 dB |
| Distortion | 5% Maxium at 1000 HZ 0.1W/0.1M |
| Pure tone Test | Must be normal at sine wave 2.83 V at 300HZ ~ 3KHz, |
| Certificate | ROHS , CE, REACH, ISO9001 |
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