The W-9 line array system which is made of two 12''neodymium woofers, two high sensitivity 8'' midrange speaker units, two 3'' titanium neodymium compression drivers,  the drivers by two independent plane wave converter, with a innovative directly horn which generate parallel wave in the front.
     W-9 speaker box is trapezoid shaped, hi, mid, low driver units all with independent horn output, which improved the speaker sound, maximum lowed the intervention between the drivers. The precise positioning position between the driver units which verified the speaker box very small, but also to ensure the gap between the cabinet to cabinet minimize. Even several boxes combination can also with a precise point forming a line array group, resulting in excellent sound quality, each box is installed with hanging assembly, can be  convenient for hanging, assembling, which application W-9 line array performance excellent to large stadiums, big outdoor concerts, commercial events, etc.