... good price!2.loudspeaker, power amplifier and line array pa system are our strong points3.selling ... CE and RoHS certified.Loudspeaker, power amplifier, line array system and are our main professional audio ... 740(0.23CBM)NW/GW(Kg)48.5/50.5Loudspeaker, power amplifier, line array system and are ... . OEM production is another proportion of our growing business."Quality,customer foremost and to be excelsior ...