Williams Sound, LLC","Personal PA® Tour Guide Hearing Assistance System with PPA T36 transmitter, 10 PPA R35-8N FM receivers, operates on 72-76 MHz freq band. Wireless, effortless communication between guide and participants. 150' range. 5 year warranty.","The Personal PA FM Tour Guide System, model TGS PRO MULTI, provides hearing assistance to help tour group members overcome background noise and distance from the guide. Use it in factories, museums, power plants---anywhere hearing assistance is needed. The Personal PA Tour Guide System features eight selectable operating frequencies on 72-76 MHz. Multiple tour guide systems can operate within the same location, simultaneously, with no crosstalk or interference. System includes one (1) T36 transmitter with MIC 096 microphone, ten (10) R35-8 receivers, batteries, and a system carry case.