W-312B is a line array system which is made of one 12" neodymium housed in bandpass box to deliver ultra powerful bass driver, two 6.5"neodymium midrange speaker units of well-designed of waves phase horn loading technique, two 3" titanium neodymium compression drivers and high-performance low-distortion compression driver with innovative horn design of waves phase philosophy. It is a zero interfere line array with multi- speaker combined to produce accurate directivity and maximum dynamic impact. Each enclosure is equipped with rigging system, allowing flown array to be constructed rapidly and safely. W-312B is a compact line array enclosure designed to bring superb line array performance to large stadiums, big outdoor concerts and commercial events. It meets the need for a high power, high bass impact system that is versatile and scalable for a very wide range of applications in the live sound, corporate and fixed installations. W-312B may be used without subwoofers in many applications.It may also be complemented by ground stacked subwoofers CVR T-182/CV-218B.