带4.0高速蓝牙,USB，SD卡，线路4种输入，带遥控器，带1路信号放大输出（用于连接副箱）额定功率：20W 峰值功率：30W                                                                                                                   频率响应：90-18000灵敏度：91dB±3dB                                                                     输入电压：220V   喇叭单元：5.5〞 + 0.5〞                                                   尺寸：184 x 164 x 246 (mm)                                                                                                                                                                                        重量：2.65kg