Professional Wall Door Microphone Probe Listening Device

The professional listening device is a highly sensitive contact and probe microphone amplifier system that can hear sounds through concrete, metal, wood, brick, or any solid surface. Both the microphone and amplifier are built into a strong metal housing for durability which is backed by our lifetime warranty. With high quality earbuds, a built in lithium ion battery, and all accessories included, you will be sure to achieve the job with this device. 

With the highest sensitive contact microphone available on the market, the ultimate professional listen through wall system can hear sounds through almost any surface. 

Simple to use, place the sensitive contact microphone on the surface of interest and listen with crystal clear audio. It also has variable gain and volume settings to make the audio even clearer. 

HIGHEST SENSITIVE LISTEN THROUGH WALLS / CEILING CONTACT & PROBE MICROPHONE SET ON THE MARKET

Features and Specifications:

• Penetrable surfaces: Cement, Metal, Wood, Iron, Glass, Plastic, Brick, Walls
• Battery Life: Continuous monitoring up to 24 hours
• Headphone output: 3.5mm stereo @ 250mW
• Four audio channel: 1200Hz, 800Hz, 200Hz
• Maximum gain amplification: 20000 times
• Powered By: Rechargeable Battery
• Microphone sensitivity: -70db
• Record line output: 2.5mm stereo Jack socket

Package includes:

• Contact microphone
• Probe / Needle microphone
• Microphone / Headphone Amplifier
• 2.5mm-3.5mm stereo record lead
• Carrying case

Disclaimer: Some surfaces work better than others and density/thickness can also restrict its performance. We have received varied results as it depends entirely on the surface you use and many other factors such as distance and volume.