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.
Long range bluetooth intercom designed specifically for motorcycles. Call handsfree on your bluetooth mobile phone, listen to stereo music or voice instructions from GPS. 4-way conference intercom to communicate with up to 4 riders. Sufficient Sound audio with integrated audio booster. 12 hours talk time, water resistant, crystal clear sound quality.