Type:   Compact Sub-bass system

Drivers: 15″ bass driver ,4″ voice coil

Frequency Response:  40Hz-120Hz(-3dB)

Power Handling:  400w

Sensitivity:  99dB/1w/1m

Max SPL:  125dB continuous ,131dB peak

Nominal lmpedance:  8Ω

Connectors :   2×Neutrik NL4

Fittings:   ---

Dimensions:  430×690×530 mm(H×W×D)