LD Systems LDS-U3051IEMR Wireless In-Ear Monitoring ReceiverThe new LD Systems U 300 IEM In Ear Monitoring System with 12 UHF channels offers outstanding sound quality and a large dynamic range in the 584 MHz 608 MHz, 655 MHz 679 MHz , 823 MHz 832 MHz + 863 865 MHz, 470 MHz 490 MHz or 514 MHz 542 MHz. The system toggles between mono and stereo mode for perfect monitoring for live musicians, actors or speakers. A built in limiter ensures even, distortion free sound reproduction with a frequency response of 50