舒尔无线话筒　SHURE　PGX24/SM58

■Automatic Frequency Selection
■90 selectable frequencies across 18MHz bandwidth
■1/4 wave antennas
■Microprocessor-controlled diversity
■Channel display LED
■XLR and 1/4 outputs
Shure PGX2 / SM58 Wireless Microphone Transmitter Features:
■Automatic Transmitter Setup
■Multifunction LED indicator (power, lockout, mute, low battery)
■-10dB pad
■8 hours of continuous use with 2 AA batteries
■18MHz operating range