Listen Through Walls Device with High Sensitivity Audio Acoustic Microphone

• Customization: Available
• Name: Listen Through Walls Device
• Dimension: 131* 125* 42mm; 41* 18* 15mm
• Model NO.: HWCW-IV
• Total Weight: 956g
• Power Supply: Built-in 9V Battery
• Battery Working Time: 5 Hours Without Recording; 4 Hours with Recording
• Transport Package: Carton Package
• Specification: 40*25*15cm
• Trademark: No
• Origin: China
• HS Code: 9031809090
• Production Capacity: 100 Units Per Month

Product Description

Description

This multi-function stereo listen through wall device is the most updated one in similar products nowadays, which can give listener the clearest audio information they are going to know. This is a special 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. 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  prison and intelligence department.

 

Technical Specifications
 

Power of Signal	1mW
Frequency of Swing	@1KHz,6 Db (attenuation) @300Hz,15 Db
Channel Attenuation Separation	>40 Db
Stereo Balance Control	±10 Db
Non-linear Harmonic Distortion Co-efficient	>0.5%
Range of Amplifier Dynamic	>60 Db
Power Wastage (50% Volume)	25mA
Battery	4×1.5V  AA battery
External (PSU N/A)	9~12V  @ mA supply power
Headset	0.6Watt, 300 Ohms
Dimension (mm)	128×99×23
Weight	500gram