Join the first wireless speaker to your network, if it is already connected continue to the next step.
Tune to the source that you want to listen to on the first wireless speaker.
Join the second wireless speaker to the network.
Tune the second wireless speaker to the same audio source. You will now have two mono speakers, indicated by the LED on the front panel of each device.
Select which speaker you want to be the left speaker, then press and hold the SOURCE button for five seconds. It will start blinking rapidly.
On the other wireless speaker, press and hold the SOURCE button for five seconds. It will blink rapidly and then turn solid. The LED indicators will then show the appropriate Left and Right indication for each speaker.
The speaker automatically switches to STEREO if only one speaker is turn on; however when the second speaker is turn on, the MONO settings will take effect on each speaker. The pair will create the stereo sound.