FM Wireless Microphone (320-1229) Features Faxback Doc. # 8980 High-Performance, 170 MHz Professional FM Wireless Lapel Microphone System This Radio Shack High-Performance, 170 MHz Professional FM Wireless Lapel Microphone System is designed for use as a public address microphone or for professional music performances. The system's long-range (l50 feet or more), wide-range frequency response (100-15,000 Hz), wide dynamic range (90 dB), and low distortion (0.3%) let you use it anywhere you would use a conventional microphone. The microphone's low-battery indicator and three-position switch (OFF/STANDBY/ON) help you avoid last-minute failures. The receiver provides line- and microphone-level outputs for easy connection to any amplifier, mixing board, or recorder, and you can use both outputs at the same time. You can power the receiver from standard AC power or from an optional 12-volt DC adapter. The receiver's volume. control lets you easily balance the microphones outputs with other sound sources. (smc-03/02/94)