BNK Es400 Uhf 4-Channel Digital Wireless Microphone System

System Type: 4-Channel Ultra High Frequency (UHF) Digital Wireless System. Carrier Band: Operates on a stable digital UHF band to ensure clean signal transmission away from local radio or Wi-Fi congestion. Multi-Channel Processing: Incorporates 4 independent, isolated audio channels working concurrently with separate frequency tracks. Microphone Element: Dynamic capsule with a unidirectional polar pickup pattern tuned to emphasize clear vocals while rejecting ambient background room noise. Transmitter Power: Each handheld microphone runs on two standard 1.5V AA batteries (8 cells included in the bundle).