Cambridge SoundWorks Oontz Angle 3 PRO Soundbar User Manual page 18

Changing to Dual Stereo from Left Channel - Right Channel
Use Dual Stereo when placing the two speakers in different areas, and both speakers will play in full stereo.
– To set both speakers for Dual Stereo they must first be connected together for Left Channel - Right Channel (see page 13).
– With the speakers connected together for Left Channel - Right Channel, you can change the speakers to Dual Stereo.
– To change to Dual Stereo, press and hold down the Track Forward button on the Master Speaker for 3 seconds until both speakers
say "Dual Stereo". You are ready to play.
Changing back to Left Channel - Right Channel from Dual Stereo
– To change back to Left Channel - Right Channel, press and hold down the Track Forward button on the Master Speaker for 3
seconds. The Master Speaker will say "Left Channel" and the second speaker will say "Right Channel". You are ready to play.
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