单18寸无源800W/8欧带通式高效率超低频音箱 
系统指标：                                                                              
频率响应（±4dB）：35hz~150hz；                                        
系统灵敏度：98dB，1w@1m；                                                                                
系统标称阻抗：8 Ohm；                                                          
系统额定功率（RMS）：800W；                                 
系统额定功率（PROGRAM）：1600W；                              
换能器单元：                                                                              
低频：1×18寸（460mm，220磁100芯音圈，进口马来西亚U-Sonic纸盘，铸铝架）单元；                                                                  
物理特性：                                                                            
外壳：长方形，18mm桦木胶合夹板外壳；                           
安装孔：支撑孔；                                                                 
箱体颜色工艺：黑色，水性环保漆耐磨处理，浮雕点工艺；；                                                      
连接器：NL4×2只；      重量：  KG；                                                    
产品尺寸（WHD）：556×728×590（mm）；