This unique app controlled interface allows you to use the soundbar or hide-away unit as a hub for an entire audio system. The app allows you to select between five sources including Bluetooth, FM, AM, AUX, Weather band radio. The app also enables users to control EQ settings, set radio presets, adjust fade/balance and more from the convenienceoftheirBluetoothdevicesinterface. This app is compatible with the MXAMCAPP and MXA46SB28