Features: UHF wireless handheld mic system with 1 dual channels receiver 2 wireless mics, superior sound quality. 710-790MHz frequency, multilevel high frequency and middle frequency narrowband filter to avoid interference signals. The receiver with 2 XLR balanced outputs and one 1/4 mix output. The volume of 2 mics are controlled by 2 knobs independently, with light for indicating. Effective operating range is up to 30 meters in open area(without block). Comes with an audio cable(6.35mm plugs) and a power adapter. Perfect for karaoke, meeting, party, clubs, auditoriums and other occasions need mic.