High Sensitivity and quality audio pickup Microphone up to 1000 m CCTV sound monitor
|45 days Money back Returns accepted if product not as described, buyer pays return shipping; or keep the product & agree refund with seller.|
Guarantees: On-time Delivery 60 days
Packaging & Shipping
Packaging Detail: retail packing
Delivery Detail: 2-3 working days
1. 803A uses dynamic noise monitor head Dolby Noise Reduction ASIC and DSP digital processing
2. When a processor with digital voice, the sound playback sound clear, prominent self.
3.with resistance to environmental noise, no echo, clearer audio playback function.
4. Imported acoustic amplifier, enhanced output power, over longer distances.
5.optional video cable pass 1000 m 75-3. Polarity protection circuit to prevent damage to the power supply circuit reversed.
terminal AOUT: signal output, audio input connected to a recording device or amplifier audio input port
terminal GND: power supply is “-” pole and signal ground shared
terminal +12 V: power supply is the “+” Wiring methods:
Output impedance: 600 Ω
istening range: 5 to 150 m
Frequency Range: 200 ~ 10kHz
Operating voltage: DC9V ~ DC12V Product parameters:
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|Shipping Company||Shipping Cost||Estimated Delivery Time|
|3 - 7 days|
|3 - 7 days|
|5 - 14 days|
|Post Air Mail||Free Shipping||15 - 45 days|
|Return Policy||If the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller.
N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.
|Seller Service||On-time DeliveryIf you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).|
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