产品名称：返听功放 

产品型号：昕影XY-450

产品参数：

1.桥接接口为红色，独立接口，防止误接。

8Ω立体声输出功率 420W

4Ω立体声输出功率 630W

2Ω立体声输出功率 750W                                                                                               
16Ω桥接输出功率 840W                                                                                                                                                  

8Ω桥接输出功率    1260W                                                                                                                                                   

4Ω桥接输出功率    1500W