Then I think you may have misread the product line for Sonos and perhaps the core product just isn't for you. Sonos is about wireless speakers that can connect

Then I think you may have misread the product line for Sonos and perhaps the core product just isn't for you. Sonos is about wireless speakers that can connect with other speakers in your home and can be controlled over your WiFi network, that is the heart of Sonos. Heck the Play 5 is called "Our most powerful wireless Hi-Fi speaker". Line in is an additional component of the speaker however the entire ethos is controlling the speaker over WiFi by anyone in the home.