Decide whether or not you would like to listen to 2 of identical channel or simply to listen to the one signal initiate of 1 speaker. If you would like one speaker, then you'll be able to connect the audio channel to at least one of the stereo inputs and leave the opposite open.
Connect the mono supply to associate degree adapter that includes a single mono association on one finish and twin stereo output on the opposite finish. Connect 2 audio cables that match the adapter to every of the stereo outputs.
Connect the 2 cables to the correct and left channels of the stereo electronic equipment. check the results by enjoying the stereo and checking every speaker for identical audio.