Plug-and-play Digital Wireless from Sennheiser The Sennheiser XSW-D XLR male receiver makes building a wireless mic system child's play. Benefit from one-touch ease-of-use and 2.4GHz digital operation for worldwide, license-free compatibility. This receiver is robust enough for everyday use, delivering a 250-foot operating range and up to five hours of battery life on a single charge. You can also switch between multiple transmitters linked to a single receiver and mix and match different connector types. Beyond that, this receiver includes a convenient mute function. The XSW-D XLR male receiver is supremely elegant — it makes wireless presentations effortless while providing the level of quality and reliability that Sennheiser is known for.XS Wireless Digital — wireless made easy Want to go wireless? Well, it doesn't get any simpler than Sennheiser's XS Wireless Digital, thanks to its intuitive plug-and-play operation. The series includes a flexible array of compact plug-on receivers and receivers,