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.
Sennheiser Electronic Corp.","The successor to the hugely successful PXC 250 is here-- the brand-new PXC 250-II improves upon the previous model making it our best value yet.The mark II on-ear, collapsible mini headphones are equipped with NoiseGard™ technology to cancel droning, fatiguing airplane or bus cabin noise. They are also equipped with a convenient in-line volume control which enables the listener to adjust playback volume even when the music player is stowed.The PXC 250-II headphones are foldable and also function as normal headphones without NoiseGard activated. A single AAA battery provides up to 50 hours of NoiseGard performance. An extensive set of accessories - in-flight audio adapter, carrying case and AAA battery- completes the package.