Especificaciones:Optional UHF band 660-690 MHzUnique digital 16 bit ID pilot technology, no crosstalk disturbance even in same frequency;Ultra-Short audio latencyAudio sampling mode: 48KFrequency response: 30-20 KHzReceiver use colorful TFT display and menu settingsAuto frequency scanning and frequency spectrum displayBuilt-in echo, EQ, funtion