The XSW-D XLR MALE RX plug-in receiver is available as an individual component to be used as a backup receiver or as a replacement unit. It features an XLR-male connector, ready to plug directly into the input on a wide variety of professional audio gear, including mixing boards and portable PA systems. Note that this receiver cannot be phantom powered by a mixer. It needs to be charged ahead of time or used while being charged via USB. The 1-button, 1-LED concept with single-button interface and status indicator effortlessly handles power and linking tasks for youwithout the need for any additional button pressing. Sennheiser wireless mic systems are an industry standard, prized by professionals for their clarity and reliability. The XSW-D system allows first-time and budget-conscious users to get their hands on genuine Sennheiser sound quality without breaking the bank.