Fusion MS-RA670 Apollo Marine Entertainment System

Inheriting key innovations and revolutionary technology from the RA770, the RA670 includes Fusion's digital signal processing, PartyBus, over-the-air software updates, and more source options including optical audio for connection to TVs in salons and cabins.
 
Digital Signal Processing (DSP): A technically superior listening experience made simple, Fusion's DSP produces superior sound quality in every environment.

PartyBus: Enjoy the freedom of musical choice with the Apollo Series and Fusion-PartyBus™. The power of PartyBus kicks in when you add more PartyBus enabled stereos to your entertainment system. Each additional PartyBus enabled stereo gives you the option to join Party Mode and play the same perfectly synced audio source through the entire vessel.

Over-The-Air Software Updates: The Apollo Series is intelligently simple and always up to date, thanks to the over-the-air software updates available from your smartphone or compatible device via the free Fusion-Link app.

Advanced SiriusXM Features (USA only): Which include instant replay, TuneStart, TuneMix, SportsFlash, Artist, song and game alerts.