EV20R Message Sound Repeater 4 Message/3 MinutesThe EV 20R is a convenient addition to sites where the same message or music is repeatedly broadcast. Up to 4 types of music and messages (6 minutes total time) can be recorded and played back. The USB port facilitates recording by transferring the supplied sound sources from a PC to the unit. The unit small built in amplifier enables small scale broadcasts through a simple speaker connection. Product Features For repeated high quality broadcasts and