WIRELESS SYSTEM: LAVALIER (LAPEL) 2.4Ghz digital wireless system from the XPD2 series. It consists of a transmitter in bodypack format and a lapel microphone and receiver in USB format. Ideal for broadcasting, presentations and live streaming. Plug and play device compatible with Mac, Windows, IOS and Android. Compatible with Samson Expedition Series portable PA equipment via USB input. Range up to 30 meters. Response frequency 20Hz-16KHz. Headphone output on the USB receiver for monitoring tasks. Powered by 2 AA alkaline batteries. Approximate battery life 20 hours.