... line array speaker,empty box 2.Neodymium 1x8"+1x8"+2x1" 3.for stage performance,gymnasium, concert,conference Model: Martin audio,line array speaker,empty box ... be suitable for large outdoor performance,gymnasium, concert hall,Theatre ... high quality, favourable price line ... 620mm x (H) 284mm x (D) 400mmWEIGHT30kg Martin audio line array speaker, empty box W8LMD