So you’ve finally decided to get your favorite music throughout your house. What’s next? Where do you go from here? That depends upon your requirements and weather this will be an installation in an existing home or a music system in a new construction home. The ACA-E5 is an advanced eight-zone, twelve-source multiroom controller amplifier with an internal AM/FM tuner. With an advanced feature set, the ACA-E5 represents the latest in technology from the #1 brand in multiroom audio. Ethernet port allows for programming and system diagnostics over the Internet.