A domain-4 system for home is a multi-room audio system that allows users to play music in different rooms of their house from a central location. For instance, one could listen to a podcast in the kitchen while their spouse enjoys a playlist in the living room, all controlled from a smartphone app.
Domain-4 systems offer several advantages over traditional audio systems, including the ability to play different music in different rooms, the convenience of controlling the system from a single app, and the ability to add additional speakers as needed. The first domain-4 system was developed in the early 2000s, and the technology has since become increasingly popular.
