The USB-Mobile is a digital interface and direct box for all of your mobile devices, including smartphones, tablets, and other media players. Connect your device to the USB-Mobile directly using a USB cable: High quality playback, providing you with two channels of balanced analog outputs over XLR connectors to feed the PA system or a set of powered speakers. The USB-Mobile is iOS compatible, and has the added benefit of charging your devices while you use them for audio playback.