The Sennheiser EK 2000 IEM-Aw+ is an In Ear Monitoring receiver beltpack for the SR 2050 transmitters. Robust and reliable, for demanding and professional In Ear Monitoring on all stages and broadcast applications. The receiver of this in-ear wireless monitoring set works with Adaptive Diversity Technology. The cable of the earphone is used as second antenna. Thus, significantly fewer dropouts can be achieved. It is compatible with all In Ear headphones with a 3.5 mm jack plug and provides an authentic picture of the live sound, allowing perfect performance control.