SM-500 wireless mic system is a good quality double wireless microphone design for users who require professional performance and budget solution. The system delivers perfect sound by using low interference VHF frequency band, and it is strong and reliable to meet various usages from small show to home use.
Carrier frequency: 210-280MHz
Audio frequency response:40Hz-15KHz ±3dB
Output power: 20mW
Battery Type: DC 9V