Advanced 4 Channel UHF Digital Wireless Handheld Microphone System for clear, professional sound Utilizes the sparsely used 900MHz frequency band for minimal interference and maximum signal strength 24-bit digital technology ensures a clean, high-quality audio signal Features individual digital microphone IDs to eliminate channel cross-talk Wide frequency response (50-20,000 Hz) for natural sounding vocals Includes brackets for easy rack-mounting, ideal for professional settings