... high frequency, reinforcing the system protection under high volume status.4.1.75” titanium diaphragm HF compression driver, and two ... , Disco, cinemas, indoor shows etc. entertainment venues. 6.Applications: audio engineering, mobile performance speaker system, foldback, meeting rooms, multifunction rooms, bars, ... 575mmx1320mmx555mmWeight/CTNN.W: 53kg, G.W: 60kg Waterpoor 15" Three-way speaker box