Make mine automatic!

By utilizing advanced signal sensing technology, Russound's automatic source selectors will enable you to switch between two sources automatically. 

 

AB-3.2

The Russound AB-3.2 Automatic A/B Selector is an affordable solution for automatically switching a pair of speakers between two amplified sources. This allows you to use one pair of speakers in a room for two different sources such as a television and a multiroom audio system.