Stereo Wall Listening Device Through Wall System With 3.5" Standard Interface
|Place of Origin:
Payment & Shipping Terms:
|Minimum Order Quantity:
|USD/Set FOB shenzhen
|20 working days
|10 sets per month
|Left And Right Double Track
|Built-in Recording Module, Real-time Recording By USB External Dedicated Recording Memory
|3.5” Standard Interface
|Gain Adjustment, Low Frequency, High Frequency Filter Adjustment
|Battery Working Time:
|5 Hours Without Recording; 4 Hours With Recording
|16GB (continuous Recording About 500 Hours)
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Stereo Listening Through Wall System
This Multi-Function Stereo Listen Through Wall System is popular in similar products, it will pick up the slightest sound through solid objects like wall and give listener the clearest audio information they want to know on the other side! The contact microphone is a ceramic pin specially developed for converting vibration into audible noise. It has two powerful transducers together comprise an exceptional monitoring device. It is widely used in police, prison and intelligence department.
● High Detection sensitivity.
● The threshold frequency,gain of the amplifier and microphone are adjustable.
● The gain of the amplifier can be infinitely adjusted.
● People can monitor with channel 1, channel 2 separately or simultaneously.
● Built-in recording function, it can record automatically when insert dedicated memory card.
|MCU(main control unit): 131×125×42mm; 41×18×15mm
|Built-in 9V battery
|Battery Working Time
|5 hours without recording; 4 hours with recording
|Left and right double track
|Left and right output simultaneously, or left and right output separately
Gain adjustment, low frequency, high frequency filter adjustment
and volume adjustment
|3.5” standard interface
|Built-in recording module, real-time recording by USB external dedicated recording memory
|16GB (continuous recording about 500 hours)