Introduction to Audiovox 128-7376 XB9 BOOM BOX User Guide:
Boom Box XB9 Controls The Audiovox XM Boom Box XB9 provides ower ON/ OFF and VOLUME +/- pushbuttons, and a MODE pushbutton to toggle between Satellite Radio or an aux-iliary audio input signal. A power-on/low battery LED is also located on the front panel.
Here Is the Cover Page Text:
128-7376 1 of 16 XB9 BOOM BOX User Guide Released 3-31-05.