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.
Sony BM10 Bluetooth receiver. The Sony BM10 Bluetooth music receiver connects to your home stereo system and allows you to stream audio from your smartphone to a range of up to 100 metres. Featuring the latest Bluetooth A2DP and ap-tX audio enhancement technology. The Sony BM10 has easy one-touch NFC or regular Bluetooth pairing.