Listen Technologies LR-4200-IR-P1 - Intelligent DSP IR Receiver Package 1The LR 4200 IR P1 receiver package makes it easy to order all the components you need to provide visitors, customers, and clients with an exceptional listening experience. Each package includes a LR 4200 IR iDSP receiver, an integrated neck loop lanyard, and a universal ear speaker, making it ideal for expanding or adding to existing IR assistive listening systems in any venue. Each LR 4200 IR receiver offers industry leading range and sensitivity,