Jbl srx718s 4800watt professional hi power subwoofer
power rating : 800 w / 1600 w / 3200 w.
frequency range : 31 hz - 220 hz (-10 db)
dimensions(h x w x d) : 508 mm x 597 mm x 749 mm (20.0 in x 23.5 in x 29.5 in)
frequency response : 34 hz - 220 hz (±3 db)
net weight : 36 kg (79 lb.)