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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-114
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Processing Chip：minimum Built
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Product Characteristic：
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It applied to all the audio monitoring for PC DVR, Stand Alone DVR, network server, such as audio input
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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: 50 square meter
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2. Operating voltage: DC6V—12V
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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: 6*16mm
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9.weight:
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