Fourl channel diversity wireless receiver Includes Four UHF Wireless Microphones 200 adjustable frequencies with DPLL Professional UHF DPLL Wireless Microphone System Descriptions:The first 4-channel UHF wireless microphone system of Sanjin,Experience ultimate freedom with the SKW-104.With 4 handheld microphones, each on their own independent UHF channel, the SKW-104 gives you maximized vocal ...