Sony SRS XB43 Buttons Explained: Summary The Sony SRS XB43 Bluetooth Extra Bass speaker has several buttons across its top panel as well as a few more inside its rear power and AUX port compartment, behind the sealing cap. E.g. Including the Volume, Play-Pause, Live, Power, and Pairing buttons. Plus in the back, we find … Continue reading Sony SRS XB43 Buttons Explained