Through Wall Listening Device 4×1.5V AA Battery Power Transducers 1mW Signal

Listen Through Wall Device

Specification

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 Coefficient: >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: About 0.5kg

Description

This two power transducers listen through wall device is popular 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 to enable police, prison and so on.

About Us

Beijing Heweiyongtai Sci & Tech Co., Ltd. was established in the beginning of 2008. We are a hi-tech enterprise specializing in supplying and trading Security Inspection equipment, EOD equipment, Anti-terrorism equipment, Intelligence device, etc. Our products are widely applied in public security bureau, military, custom, government security agency, airport, exhibition, etc.

Our company headquarters and showroom are located in Beijing, the capital of China. There are more than 400㎡ showing room where exhibits nearly hundred kinds of well-equipped products and equipments. Our staff are all qualified technical and managerial professionals to provide you satisfied service.

Our main products and equipments are as follows, and is increasing:

★EOD Equipment
★Security Inspection Equipment

★Anti Terrorism Equipment

★Investigation Equipment

Our factory Jiangsu Hewei Police Equipment Manufacturing Co.,Ltd was established in the year 2010.

We establised research centre and factory in Shenzhen in the year of 2014.

Overseas Exhibitions

If have any inquiries about our company or products, please contact the following information.