F999B Listen Through Wall Microphone Amplifier System with Contact and Probe Key Hole Mic earhook microphone cable 5M is custom-wired to match

5M is custom-wired to match the specific electrical requirements of major wireless brands

houses of worship

or another leading brand

Versatility is at the core of this recording setup

even if the connectors appear to match

F999B Listen Through Wall Microphone Amplifier System with Contact and Probe Key Hole Mic earhook microphone cable 5M is custom-wired to matchThe F999B High Strength Listen Through Wall System is a professional grade acoustic leakage detector and audio monitoring kit. It operates using a highly sensitive quartz piezo crystal to pick up micro vibrations traveling through solid barriers, amplifying those structural sounds up to 20,000 times into clear audible speech sounds. Listen to conversations through walls, floors, ceilings, doors, windows or other solid surfaces, ideal for security,