Shure A15RF RF Filter / XLR In/Out - Passes Phantom Power 100832698 allows use of either 70V

allows use of either 70V or 100V distributed speaker lines

making it easy to add multiple channels of remote-controlled I/O to your Si-series mixing console

Includes wood screws for permanent installation

Optional Remotes: M-31 Wireless Control Module

Shure A15RF RF Filter / XLR In/Out - Passes Phantom Power 100832698 allows use of either 70VShure A15RF RF Filter XLR In Out Passes Phantom Power The Shure A15RF reduces interference from AM radio stations that may bleed into microphone lines when using long cables in microphone installations such as suspending choir microphones. The A15RF passes phantom power, and can be used with condenser microphones. For best results, the A15RF should be installed at the end of the cable nearest to the microphone. In situations where this is not