In this JBL Wonderboom 3 Controls book, we detail all the controls, ports, and lamps on the speaker. We give control functions, meanings, and codes and combinations to press for the various functions. And we show where they are on the speaker with many pictures. JBL Wonderboom 3 Controls: Summary The JBL Wonderboom 3 has … Continue reading JBL Wonderboom 3 Controls