The Samson Concert 288m All-in-One is a dual-channel wireless lavalier/headset and handheld microphone system designed for situations where two microphones are needed. Fast to set up and easy to operate it offers two presenters lecturers or instructors quality sound and dependable performance for presentations and events in small venues wedding halls and houses of worship as well as educational and corporate facilities. The Concert 288m All-in-One offers a flexible solution by including a CB88 bodypack transmitter with a cardioid lavalier mic and HS5 headset mic as well as a CH88 supercardioid handheld microphone. The lav provides a discreet hands-free mic option while the headset allows for positioning the mic closer to the speaker s mouth for a clearer sound in loud environments. The handheld mic is ideal in situations where you don t have time to position a lav or you need to quickly pass the mic between several people. Both bodypack transmitter and handheld mic feature a convenient On-Off/Mute switch and operate for up to 8 hours on two AA batteries at a range up to 300 . Also included is the AR299m dual-channel tabletop micro receiver with foldable antennas which is small and light enough to fit into any carry bag. The rear-panel connections include a variety of XLR 1/4 and 3.5mm connectors giving you flexible options for connecting to any mixing board or PA system. Quick to set up at the press of a button the receiver scans 100 selectable frequencies to locate a clean RF channel that s free from interference. Just hold the Set button to sync the receiver with the transmitter via IR and you re ready to go. Up to eight microphones can operate simultaneously per frequency band.