A:Answer Hi DanC,
Yes, using two speakers, you can switch between the double mode, where the same sound is played back on both speakers, and the stereo mode, where one speaker outputs the left channel sound and the other speaker outputs the right channel sound for stereo playback.
You may visit the help guide for more additional information about this model
https://helpguide.sony.net/speaker/srs-xb31/v1/en/index.html
Regards,
Zac
Sony Social Support