Two Power Transducers Wall Listening Device 1mW Signal Power 128×99×23mm

Listen Through Wall Device

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 and can receive and record analog sound signals (voice, footsteps, other sounds). This is a special amplifier that will pick up the slightest noise through solid objects like a wall, so you can hear and distinguish 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.

Specification

Dimension (mm): 128×99×23

Weight: About 0.5kg

Power of Signal: 1mW

Frequency of Swing: @1KHz,6 Db (attenuation)

@300Hz,15 Db

Channel Attenuation Separation: >40 Db

Stereo Balance Control: ±10 Db

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