1. Optional UHF band(640-690MHz), preset 500 channels each side.
2. Unique ID pilot technology, no crosstalk disturbance even same frequency.
3. Frequency response:30-20KHz
4. Colorful multicolor TFT reveiver display and menu settings, LCD transmitter display.
5. Ideal distance: 80 meters
6. Suitable for KTV rooms, entertainment, performance and so on.