E-Audio 2-Way Stereo Speaker Switch - Switch Between A, B or A & B

This Speaker Selector Switch box from E-Audio is for use with 2 pairs of stereo speakers and lets you switch between speakers A, B or A/B. 

This selector switch box allows two pairs of stereo speakers to be connected to the output of a stereo amplifier.

The pairs of speakers can be selected individually or both together depending on the output impedance of the amplifier and of the speakers. Screw terminal connections.