Specifications: 
System: 1-unit bass reflex subwoofer
Rated Power: 600W
Maximum Power: 1200W
Peak Power: 2400W
Nominal Impedance: 8 OHMS
Recommended Amplifier: 800W-1000W@8 OHMS
Sensitivity (1W@1m): 102dB
Maximum SPL: 129dB@600w (135dB@2400w)
Frequency Range (-6dB): 38Hz-250Hz
Coverage (-6dB): None 
Transducers: 
Ferrite LF Driver 18″ (100mm voice coil 220 Ferrite)×1           
Connector: SPEAKON NL4×2 (PIN1+/2+POS.  PIN1-/2-NEG)
Cabinet Material: 18mm (0.7″) high-quality MDF
Color: The default is black eco-friendly water-based point coating 
Cabinet Size: W540*D625*H645mm (including feet  654mm)
Weight: 44.35kg
Recommended Applications: Suitable for multi-function hall, auditorium, lecture hall, conference room KTV, bar, and other fixed installation