Meet the Audioflow 3S-4Z Speaker Switch Selector Box: a WiFi connected device that lets you switch between multiple speakers. You will be able to connect speakers throughout your home and use your iPhone, Android smartphone or Alexa to control them. The device has touch-enabled buttons and an OLED display.
The Audioflow 3S-4Z is rated for amplifier outputs up to 300W. It lets you disable any combination of speakers you have attached to it. More information is available here.