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| Diameter： | 36mm(1.4 inch) |
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| Height： | 4.5mm(0.18 inch) | |
| Nominal Impedance： | 16Ω±15% | |
| Resonance Frequency： | 420Hz ±20% | |
| Frequency Response： | 420-4500Hz 10dB | |
| Sound Pressure Level： | 90dB(0.1W/0.1M) | |
| Nominal Power： | 0.25W | |
| Maximum Power: | 0.4W | |
| Net Weight: | 8g |
