Yamaha DZR315W Active 3-Way 15-Inch Loudspeaker (White)The DZR315 is 3 way bi amped powered loudspeaker and is the most powerful model in the DZR Series producing a maximum 143dB SPL with supreme clarity. Best in class SPL performance, sophisticated DSP processing, unrivaled low frequency sound reproductionthe DZR315 delivers on all fronts realizing a truly professional sound delivered with a level of power that belies its compact, lightweight design. Ideal for use in a front of house main PA, it also