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Microphone Size: 6 x 2.8 mm
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Microphone Directionality: Omnidirectional
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Microphone Sensitivity: 44dB ± 2dB
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Impedance: ≤2.2KΩ
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Speaker Diameter: 40mm
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Speaker Output Sound Pressure: 115 ± 3dB
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Speaker Impedance: 32Ω ± 15%
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Frequency Response: 20Hz – 22kHz
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Line Length: 2.2m