AKG WMS45-VOCAL-A1 Wireless Handheld Vocal Set (Freq: A)The AKG WMS 45 VOCAL A 1 Perception Wireless Vocal Set Frequency A 530 560 MHz is intended as an affordable wireless handheld microphone package, well suited for DJs, presenters, singers and more. The system includes the SR 45 wireless receiver and HT 45 handheld microphone. The HT 45 is lightweight and features a 3 way on off mute switch. Simply power the microphone transmitter and receiver, choose between one of the 8 available UHF frequencies, and