Your performance should never be in question. Whether presenting, educating, praising or entertaining, your relationship with your audience is singular. With the Shure SLXD4 Digital Wireless Mic Receiver you can stand confidently on a strong foundation and build the wireless installation to match ongoing demands, from day-long conference to nighttime performances. Shure SLX D Wireless Systems are the digital wireless solutions for small and medium-sized facilities that provide affordable, worry-free UHF-band RF performance, transparent audio quality and streamlined maintenance because of spectrum efficiency, digital audio and ease of setup and rechargeability.