| old iron pallet \'s : measurement sp-30b adjustable height for 1080mm , 1265mm , 1450mm , 1625mm , 1810mm upgrade for metal parts of the picture of details specific parameters : model : sp-30b : unit 1 branch measurement : 102 * 27.8 * 39.8 professional speaker mount , standard support series speaker . steel ylem , saponaceous , surface , solid stockinged , well fitted had speaker , box install height optimization of acoustic conform to requirements also preoxygenate before and after surround satellite speakers . Speaker mount convenient installation of the user used in various speaker , it can be retractable , can free speaker position , performance perfect audio effect measurement : one-pipe diameter about 38mm , highly 1.1m-1 . 8m adjust . : with pallet , four corners of snail eye , used fitted speaker . color : black silver weight : , sincecontinually packaging about 5kg bearing : 60 kg |