... -way Passive Full Range system 2.Rotatable hanging design high power speaker ( Professional loudspeaker )DF Series1.18mm MDF enclosure2.Novel and ... : Common audio engineering, mobile performance speaker system, foldback, meeting rooms, multifunction rooms, bars, clubs etc. entertainment venues DF-335 Product Parameters ... : 65.5kg, G.W: 76kg 15" Three-way Passive high power speaker