Simultaneously inserted into the output port of the jukebox can be.
Prepare two stereos, the same or different models can be. Plug the connectors of the stereos into the output ports of the jukeboxes.
Square dance audio is used for outdoor audio, both can be plugged into the power supply and has a rechargeable battery, because sometimes the square dance venue does not have a power supply, can only rely on the sound of the battery, such audio general electrical stores have.