also you can download IOS app and control the entire boat systems (except Autopilot) via Wifi from anywhere in the boat. The audio has 3 zones of speakers you control from the displays or your app. Music is input via BT, AUX or USB.
Ipod or I phone can be docked in the unit - which is located in the breaker panel - but not really necessary.
If you want you can sit on the bridge with your ipad and bluetooth to the fusion and change the songs at will- kinda like a DJ. the boat has the raymarine digital switching system on it which is in trail by the Moorings. Any more questions let me know as I own Hull 1. in Tortola