More from Amazon.com : http://www.amazon.com/gp/product/B005GGTDHE?tag=thefatkidin06-20 <br /> <br />Sennheiser RR840S Bodypack Stereo Stethophone Receiver for Set 840 S 50Hz-16kHz Frequency Response <br /> <br />Can be used as an additional receiver or replacement receiver for use with the Set 840 S listening system <br />The receiver communicates with your transmitter sold separately via reliable RF technology so it even gets signals through walls <br />An auto tuning feature allows the receiver to automatically search for a clear channel <br />Lightweight bodypack design with a removable clip for convenient attachment to clothing <br />The large ergonomic volume control offers excellent ease-of-use
