The sennheiser ew d em wireless receiver gives you total freedom to perform. Whether youre the tech or the talent its user friendly streamlined design makes it perfect for professional music industry and business communicators alike. Evolve your event with clear reliable connection up to 300ft an extended 56mhz bandwidth and scalability up to 90 channels. All from a receiver that lets you adjust parameters on the spot. Control gain staging system monitoring and more directly from the ew d em or make changes from the best seat in the house with the dedicated smart assist app. Its like having an engineer in your pocket. That means less focus on the details and more time for your craft. Connect transmitters with ease thanks to auto scan function and bluetooth extended range sync and youre ready to take centre stage with confidence.