舒尔无线话筒　SHURE　PGX24/PG58

■Automatic Transmitter Setup
■Multi-function LED Indicator (power, lockout, mute, low battery)
■-10db pad
■2 AA batteries provide 8 hours of continuous use
■18 MHz operating range
Shure PGX4 Wireless Receiver
■Automatic Frequency Selection
■90 Selectable frequencies across 18 MHz bandwidth
■1/4 wave antennas
■Microprocessor- controlled diversity
■Channel display LED
■XLR and 1/4 outputs