人声演唱: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