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.