Echo 27 Through Wall Audio Stethoscope
The Echo 27 Stethoscope Through Wall Microphone Amplifier, provides the capability to covertly listen through solid structures such as walls, ceilings, windows, doors and floors.
Various uses including thru packages such as cardboard, heavy duty bags, wooden cases for internal listening for devices emitting audio signature within the target object.
Can be used with one accelerometer or two for stereo sound. Output for local recording or onward transmission over other communication modems.