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Super Sensitive Listen Through Walls Devices Investigate Amplifier Device

China Beijing Heweiyongtai Sci & Tech Co., Ltd. certification
China Beijing Heweiyongtai Sci & Tech Co., Ltd. certification
We had very nice cooperations for the product portable x-ray screening system, and some EOD products in the passed 3 years . And I belive we will have more pleasure cooperations in future .

—— Dick Santos

Customer is very satisfied with the EOD Telescopic manipulator. Thanks,Heweiyongtai! Expect to get more orders.

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Super Sensitive Listen Through Walls Devices Investigate Amplifier Device

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Large Image :  Super Sensitive Listen Through Walls Devices Investigate Amplifier Device

Product Details:
Place of Origin: CHINA
Brand Name: HEWEI
Certification: YES
Model Number: HWCW-IV
Payment & Shipping Terms:
Minimum Order Quantity: 1 set
Price: USD/Set FOB shenzhen
Packaging Details: carton case
Delivery Time: 20 working days
Payment Terms: T/T
Supply Ability: 10 sets per month
Detailed Product Description
Power Supply: Built-in 9V Battery Battery Working Time: 5 Hours Without Recording; 4 Hours With Recording
MCU Size: 131×125×42mm; 41×18×15mm Headphone Output: 3.5 Inches Standard Interface
Recording Output: Built-in Recording Module, Real-time Recording By USB External Dedicated Recording Memory Recording Memory: 16GB (continuous Recording About 500 Hours)
High Light:

listen through walls devices


listening through walls stethoscope

Stereo Listening Through Wall System

Model: HWCW-IV




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.


Technical Parameters

Dimension MCU(main control unit): 131×125×42mm; 41×18×15mm
Total Weight 956g
Power Supply Built-in 9V battery
Battery Working Time 5 hours without recording; 4 hours with recording
Audio input Left and right double track
Audio output Left and right output simultaneously, or left and right output separately
Audio adjust

Gain adjustment, low frequency, high frequency filter adjustment

and volume adjustment

Headphone output 3.5” standard interface
Recording output Built-in recording module, real-time recording by USB external dedicated recording memory
Recording memory

16GB (continuous recording about 500 hours)

Contact Details
Beijing Heweiyongtai Sci & Tech Co., Ltd.

Contact Person: Mr. Gerrywang

Tel: +8613522972872

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