Super Sensitive Listen Through Walls Devices Investigate Amplifier Device
|Place of Origin:
Payment & Shipping Terms:
|Minimum Order Quantity:
|USD/Set FOB shenzhen
|20 working days
|10 sets per month
|Built-in 9V Battery
|Battery Working Time:
|5 Hours Without Recording; 4 Hours With Recording
|3.5 Inches Standard Interface
|Built-in Recording Module, Real-time Recording By USB External Dedicated Recording Memory
|16GB (continuous Recording About 500 Hours)
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Stereo Listening Through Wall System
This multi-function stereo listening through wall device is popular in similar products nowadays, which can give listener the clearest audio information they want to know. This is a special headset amplifier that will pick up the slightest noise through solid objects like a wall, so you can listen to what is happening on the other side clearly. The contact microphone has two powerful transducers together comprise an exceptional monitoring device. It has been widely used in police, prison and intelligence department etc.
● 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)