The Sennheiser XSW Rack Mount Kit, also known as the GA 1-XSW 2 (article 507351), is a 19-inch rack mount kit for the stationary units of Sennheiser's XS Wireless range. The supplier lists it for the EM-XSW 2 receiver and the XSW IEM SR stereo transmitter. It allows up to two XSW stationary devices to be installed in a standard 19-inch rack, and Sennheiser highlights two mounting options for a single device or two devices side by side, a secure fit in the rack and uncomplicated mounting. Racking the receivers keeps them protected in a flight case, puts them next to the mixer and amplifiers, and stops them from being knocked about on a table during shows. Typical users are bands, schools, churches and small venues using XS Wireless 2 vocal or instrument systems or the XSW IEM in-ear monitoring system. The kit is finished in black to match standard rack equipment. It fits the XSW series only; evolution wireless and EW-D receivers use the separate GA 3 kit. It carries Sennheiser's two-year warranty.