1.active passive line array speaker,China pro audio, ... 215B dual 10 inch audio pro speakers, China pro audio, PA systemLA-210 is a two way Medium sized line array ... can be made both passive and active.OEM service Model: LA-210 line array speaker Frequency response ... paintGrilleBlack perforated steelSuspension systemProprietary rigging systemNG(Kg)63 dual 10 inch audio pro speakers, China pro audio, PA ...