72MHz Intelligent DSP RF Receiver. Ideal for large venues, conferences and other spaces that need to immediately make assistive listening available to a large audience. The LP-41-072 Intelligent DSP RF Receiver 12-pack makes it possible to provide more visitors, customers and clients with an exceptional audio experience. Each pack includes twelve (12) of our LR-4200-072 digital RF receivers, which feature Listen Technologies' unique DSP SQ (TM) noise reduction technology, an OLED display, dual 3.5mm output jacks and more. Each receiver is also equipped with a micro USB connection for fast, easy firmware updates with free iDSP software, as well as charging and set up. Expand your 72MHz assistive listening system's capabilities and make sure that industry-leading audio is available for everyone with the LP-41-072 Intelligent DSP RF Receiver 12-pack from Listen Technologies.