Fusion RA670 apollo marine multi media radio with wi-fi features key technology and innovations used in the Apollo RA770 by integrating Fusion's Digital Signal Processing, enhanced PartyBus-Network* capabilities, over-the-air software updates*, Wi-Fi audio streaming with Apple AirPlay 2* and more source options including Optical Audio for connection to TVs in salons and cabins. Fusion’s Apollo has made it easy to control and customise your audio entertainment for superior sound quality in any area of your boat. The radio has three audio zones and a colour LCD display. Digital Signal Processing (DSP): Superior sound quality in every environment. Source Options: Bluetooth, UPnP, Optical Audio, advanced SiriusXM features (USA only) and DAB+ radio available, AM/FM radio, AUX and USB connections. Set up your DSP profiles with the free Fusion-Link app or with a custom-made Fusion-Link PC app for OEM boat builders. PartyBus- Network*: Volume Control, Power Options, Home Zone, Stereo Grouping. (Apollo SRX400 sources are not shared on the network. Note: User experience may be subject to change without notice when new software version is released.). Fusion-Link: Control your entertainment from partnered marine Multi-Function Displays, compatible devices via the Fusion-Link app and Garmin watches via Fusion-Link Lite. 3 Independent audio zones available for a customised listening with advanced localized menu controls. (Subwoofer and full range line outs require additional amplification.)