QFX M-310 Wireless Dynamic Professional Microphone
• Unidirectional dynamic microphone;• Frequency response: 100 Hz to 1,000 Hz;• Sensitivity: -72 dB;• Impedance: 600 ohms;• Operates on 1 AA battery;• Effective distance: 49 to 98 ft. (15 to 30 m);• Includes 2 AA batteries, receiver, wireless antenna, and cable;