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Name：Audio Surveillance and Microphones；Audio Monitoring Kits; Audio Surveillance Microphone；Audio Surveillance Equipment；High Gain CCTV Security Surveillance Audio Mini Microphone；High Sensitive Preamp Microphone Kit for
Security Surveillance Audio
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Model：SM-112
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Processing Chip：Dedicated preamplifier chip, High-sensitivity drive ; Micro-tone collection
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Product Characteristic：
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Is a big dynamic wide frequency high quality sound pickup. It’s specially design for the locale music recording.
It uses the op amp (operational amplifier) integrate circuit, pure tamber, wide diapason and strong dynamic.
This sound pickup designs with the AA amplifier which can avoid the effect from the connection line length,
capacitance volume and input impedance of the load
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Technical Parameter：
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Connection mode: red wire connect with the power”+”, black wire connect with the power “-” and earth wire;
white wire connect with the audio input of recording equipment
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1 Connection
Audio monitoring range: 80 square meter
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2. Operating voltage: DC9V—16V
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3. Current: 8MA
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4. Output level: 0-6V
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5. Frequency range: 100-10KHz
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6. Frequency respond: 2.5dB
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7. Output impedance: 600Ω
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8. External dimension: 81*41MM
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9.weight:
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