Double 18 inch subwoofer

                                 系统参数：

                                 频响范围(-10db) ：                              22hz-200hz

                                 System parameters：

                                 Frequency response range (- 10dB)： 22hz-200hz

                                 Maximum sound pressure / LM (Calc)：137db

                                 Power:：1200W AES, 4000W 4ohms

                                 Bass driver： 2x18 "cone driver (reflex double tuned)

                                 Sensitivity:：101dB

                                 Connectors： spring terminals

                                 Box process：18mm Polang seabrichen plywood

                                 Size：1100 x 600 x 800mm (wxhxd)

                                 Weight： 56kg