Model: F180 System Type :18 "subwoofer Frequency response :40Hz-200Hz ± 3dB Sensitivity :(1W / 1M) 99dB Power Rating: :600W / 8Ω Peak power: 1200W / 8Ω Woofer Size: 18 "× 1 / 100mm voice coil Cannon Plug: Two NL4 connector socket FR: 1 + 1- Link thro ': 2 + 2- SPL :125dB continuous, 132 dB peak Box Material: 18mm / BB MDF Protective Finish: Wear-resistant surface treatment of black spray paint floating point Dimension: 561 × 690 × 595mm Weight: 45KG