The AD4D-II Dual Channel Digital Wireless Microphone System delivers professional-grade audio performance with crystal-clear sound and reliable UHF transmission. Featuring a rugged 1U rack-mountable receiver with dual LED displays, this system supports two simultaneous channels—ideal for duets, hosts, or performers. Choose from premium KSM8 silver metal handhelds, KSM9 black handhelds, or UHF bodypack transmitters with headsets for hands-free operation. Engineered for stability, long-range coverage, and anti-interference performance, it’s perfect for live concerts, KTV, churches, schools, streaming, and DJ events.