If you want to implement something on a breadboard, you could use the ADG1634 from Analog DevicesADG1634 from Analog Devices, which has four independently-controlled analog SPDT switches (which can also switch digital signals) in a 20-pin TSSOP package.
You can use an adapter like this one to convert to a DIP.
Note that they also exist in dual or single version. See this overview.