Pyle 4 Channel Wireless Microphone System-Portable UHF Audio Set with XLR Jack-4 Handheld Dynamic Mic, Receiver, Dual Antenna, Power Cable Adapter-for Karaoke, PA, DJ Party Pro PDWM4520 QUAD FREQUENCY CHANNEL: This portable wireless microphone system by Pyle Pro has 4 channel design with broad frequency response range for cordless singing to karaoke music and mobility for energetic on stage performances UHF BAND: This mic set features UHF signal audio transmission for an unsurpassed performance with high signal over noise ratio for clear, noise and distortion free, crisp vocal and excellent sound reproduction unlike other low grade VHF units INDEPENDENT MIC VOLUME CONTROL: The unit has an independent adjustable volume control for each of the 4 dynamic mic so you can balance the vocals as desired. Perfect for professional engagements, conference, PA, dj party XLR OUTPUT JACK: The receiver features 4 individual balanced XLR output jacks to hook up your sound mixer, stereo speaker or other additional devices. It also has a dual antenna and RF signal and AF signal LED indicator lights for easy operation COMPLETE PACKAGE: The rack mountable receiver base unit comes complete with, 4 wireless handheld mic, rack mount hardware, and wall power adapter. The device can be used outdoor and indoor like a school classroom, church or at home for personal use