LD Systems U304.7 BPH 2 (USA Version) Dual Wireless Microphone System With 2x Bodypack And 2x Headset - 470-490 MHzDeveloped in Germany, the UHF diversity wireless systems from the U300 series deliver excellent audio performance. They achieve a range of 100 metres in ideal conditions and are available in five frequency bands: 584608 MHz, 655679 MHz, 823832 MHz + 863865 MHz, 470490 MHz or 514542 MHz. Up to six U300 systems can be used simultaneously in each frequency band. Convenient one touch synchronisation via infrared ensures fast, problem free wireless