Name:TM-8315/8325 Feature ♥TM-8315 is huge range engineering sound box,adopting ARMD high technology and theory, high horn adopting clipper seam sound source,,its cover of sound pressure with 90°*40°,this makes each sound from speaker hanging to project exactly and evenly on each coner ,it can choose any hanging angel according to different performer file; ♥Suitahle for big concert, sporting , ...