The Anchor Audio PRO-570/4D/3S is a digital wireless intercom system that is easy to configure and easy to operate. The system allows duplex communication by four users with a master belt pack and five remote belt packs. It has a 500 ft line of sight range and built-in Bluetooth capability. The transmitter and receiver operate in the FCC license 902-928 MHz range without the need for a base station.
The ergonomically designed belt packs have a sturdy XLR headset jack, two heavy duty antennas, headset volume control, microphone gain control, A/B channel selection and PTT or always on mode. The out of range LED indicator tells each user when to move closer to the master belt pack. A gang charger is available to charge up to four belt packs on one device. Use ProLink backstage at a school play, in a news studio, on the football field and more.