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Product Name | hidden lavalier microphone for teacher |
mic capsule | 9.7*5.2mm |
Sensitivity | -44db±2db |
Frequency range | 20-20KHZ |
Output Impedance | ≤680Ω |
Standard Operation Voltage | 2.0V-10.DC |
SNR | >63dB |
Wire | 1.2m |
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