*Rugged construction. *The cardioid condenser microphone capsule provides high fidelity, wide frequency response, high dynamic range, rapid transient response, low echo feedback, clarity and accuracy sound image. *Optional, easy to change dynamic and condenser capsules. *ACT sync setup. *4-segment battery status meter. *LCD shows group & channel. *20 hours battery life per 2 AA batteries. *100 m (330 ft.) operating range.