9/22/2023 0 Comments Spy listening device amplifier![]() ![]() The enhanced quality sound and performance capability of listening device allows user to listen to conversations in adjoining rooms. This professional listening device is a highly sensitive contact and probe microphone amplifier system.īoth microphone and amplifier are built into a strong metal housing unit for durability. However, if you use high end noise cancelling headphones this will improve the sound significantly. Exception: Unless, product is faulty not hearing through doors, windows, internal walls etc.Īnother serious matter is headphones used, included are good quality earbuds. Anything else is not guaranteed and returns for using this beyond its means are not accepted. This surveillance tool will hear audible sound through any door or single brick / cavity walls. You may need to experiment further with the position for better results and we cannot guarantee results first time every time. The surveillance unit has variable gain and volume settings. Place contact microphone to the surface of interest and listen. ![]() Note: Results depend on the surface you use and other factors such as distance and volume. Some surfaces work better than others and density - thickness can also restrict its performance. The can detect sounds through concrete, metal, wood, brick in fact any solid surface. This surveillance device is a professional tool designed listen through wall. Super Sensitive Professional Wall Bug Audio Recorder ![]()
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