Type: Compact  Sub-bass system

Drivers:    2×18″ bass driver ,4″ voice coil

Frequency Response:   50Hz-180Hz(-3dB)

Power Handling:   1000w

Sensitivity:  99dB/1w/1m

Max SPL:  129dB continuous ,135dB peak

Nominal lmpedance:  4Ω

Connectors :   2×Neutrik NL4

Fittings:  1×mounting pole socket

Dimensions:  1060×560×760 mm(H×W×D)