舒尔无线话筒　SHURE　PGX24/BETA58

■Automatic transmitter setup
■Multi-function LED indicator (power, lockout, mute, low battery)
■-10 dB pad
■2 AA batteries provide 8 hours of continuous use
■18 MHz operating range
PGX4 Receiver Features:
■Automatic frequency selection
■90 selectable frequencies across 18 MHz bandwidth
■1/4 wave antennas
■Microprocessor-controlled diversity
■Channel display LED