Developer's DescriptionBy Rockford CorpThe Rockford Fosgate RF Connect app is designed to allow users to setup, control, tune and update their compatible Rockford Fosgate products from.The Rockford Fosgate RF Connect app is designed to allow users to setup, control, tune and update their compatible Rockford Fosgate products from the convenience of their phone or tablet. RF Connect is currently compatible with the following products:PMX-1 Marine Source Unit:Wireless remote controlSource selectionAdjust volumePlay, pause, forward, backPower on/off