1 a wasting away of the body, as from poor nutrition, nerve damage, or disuse. 2  to undergo atrophy; wither; degenerate:His crippled leg began to atrophy with no exercise. 3  to become weakened; decline:Industry atrophied in bad economic times.
Voice Amplifiers / Long Range Listening Devices. Listening devices can be utilized for a variety of purposes including listening through a wall, listening from a distance or enjoying your favorite animals in the wild. More complex systems contain an audio transmitter and receiver.
A. What are Audio and Cellphone Recording Devices? Audio and Cellphone Recorders are devices designed to digitally record audio in a variety of scenarios. These devices can be used to covertly record audio without anyone knowing, obtain audio of a phone conversation and much more. Audio and Cellphone Recorders are good for: 1. Recording audio covertly.