Hollyland MARS T1000 Full-Duplex Intercom System w/Four Beltpack TransceiversIdeal for broadcasting, training, and meetings, the Hollyland Full Duplex Intercom System with Four Beltpack Transceivers allows two way communication at a range of up to 1000'. It includes a base station, four beltpack transceivers, and five headsets. The base station powers from an included AC power adapter with 4 pin XLR connector or from optional L series batteries via the dual battery plate built into the top of the station. The base station