Oklahoma Sound® Wireless Headset Microphone for PRA-8000, 100 ft Range , Ships in 1-3 Business Days (NPSPRA87) EachOklahoma Sound Wireless Headset Microphone for PRA 8000 Wireless Option to use with Oklahoma Sound PRA 8000 Pro Audio Public Address System. This headset mic pro audio system allows speakers to move about their environment freely. High quality construction creates a clear sound. The classic, black style is perfect for events at any school, hotel or conference center. Global Product Type: Headset Microphones Maximum Wireless Range: 100 ft Mounting