Listen Technologies LP-50-072-01 - Advanced Intelligent DSP RF Receiver 6-Pack (72 MHz)Perfect for any system where multiple channels are needed, the LP 50 072 01 Advanced Intelligent DSP RF Receiver 6 Pack makes it easy to quickly increase your venues assistive listening availability. The LP 50 072 01 includes six (6) of our LR 5200 072 RF receivers, which give your assistive listening users an option for high performance audio in a compact device with best in class pickup and reduced noise. The built in rechargeable battery technology