I'm using these with a Cinema 600 panel and they work great, they actually sync automatically when I plug in a Bluetooth USB adapter (to the right of the panel remove the cover to get there ) I have used the Klipsch andriod app to update the firmware on my soundbars, this is necessary for the surround sound to work properly. By default, the speakers are on the quieter side of the panel. You CAN adjust the surround volume separately to boost it relative to the panel itself, and yes they will still adjust up and down if you increase and decrease the volume regularly. They are also switched on and off from the control panel, so no additional functions are required. There is a review here that mentions that turning up the volume on one speaker turns off the other, this is NOT true.
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