- UHF quad-channel wireless microphone system with addressable frequency - Independent channel adjustable frequency controls for seamless setup - Rack-mountable receiver with broad frequency response and low distortion - High signal-to-noise ratio for crystal-clear sound performance - RF and AF signal LED indicators for real-time monitoring - Includes (4) dynamic handheld microphones with anti-drop rubber rings - Ideal for live performances, events, karaoke, and speeches - Long battery life of 4-8 hours with AA alkaline batteries