JBL VT4889 Line array. 

SPECIFICATIONS
Frequency Range 25 Hz - 160 Hz (-10 dB)
Frequency Response 29 Hz - 120 Hz (±3 dB)
Continuous Power Rating 4000W.
Sensitivity 95dB (1W/1m)
Nominal Impedances 2 x 8 ohms.
Dimensions (W x H x D ) 1229 mm x 493 mm x 860 mm.
(48.3″ x 19.4″ x 33.9″)
Weight 83.9 kg (185 lb)