W series speaker was developed by our company a for outdoor amplification, small and medium-sized performance ShangYan tool. Use the world advanced BASSBOX - OVER aided design software and CLIO acoustic test design. Its characteristic is: the constant directivity, symmetric horn sound diffusion and bass units, high sensitivity. 75 core, 180, the import of titanium soprano, strong penetrating power, clear and exquisite, aluminum bass unit, carrying big power, low elasticity, bring you different feeling, the unique triangular Kong Tie net, net lined with 3 mm cotton filter out noise to make sound more clean.