The G4 300 Series uses the power of an increased switching bandwidth of up to 88 MHz. New frequency ranges allow operating multi-channel setups with dozens of channels while securing reliable operation - despite digital dividend. The powerful clip-on mic package. Easy to operate, reliable while transmitting ? G4 does the job. The 300 series lavalier mic set ensures hands-free operation even during the longest congress or lecture. The remote mute switch is available for the bodypack transmitter.