The PPA T27 transmitter broadcasts a speaker’s voice, music program or audio service wirelessly up to 1000 feet to a listening audience. Audience participants can use the optional R37, R35-8 or any FM receiver operating on the 72-76 MHz frequency to pick up the broadcast. The speaker simply connects a microphone with a 3.5mm plug into the unit to broadcast their voice. Unit also can connect to a sound system through a line-level (RCA) jack to broadcast music or other audio service. Meets Americans with Disabilities Act (ADA) accessibility requirements and is covered by a Lifetime PLUS Limited Warranty.