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            OA-4  墙壁喇叭 (BlACK) 
			
            
             4" wall hanging speaker    .Box size: height 210毫米* Width 140毫米* depth 118毫米
		 
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                                        | 喇叭单元 | 
                                    
                                
                                
                                    | 高音单元 | 
                                    1″(25mm) Titanium,ferrofluid-cooled | 1″(25mm) Titanium,ferrofluid-cooled | 0.5″(13mm) PEI tweeter | 1″(25mm) Titanium,ferrofluid-cooled | 
                                
                                    | 低音单元 | 
                                    5.25"(133mm)AL CONE | 5.25"(133mm)AL CONE | 4 "pp | 6.5″(165mm) Carbon Cone | 
                                
                            
                                
                                    
                                        | 喇叭类型 | 
                                    
                                
                                
                                    | 扬声器类型 | 
                                    Wall hanging Audio,2-way | Wall hanging Audio,2-way | Wall-mounted cinema stereo | Wall hanging Audio,2-way | 
                                
                            
                                
                                    
                                        | 外观形状 | 
                                    
                                
                                
                                    | 颜色 | 
                                    White | White | BlACK | White | 
                                
                            
                                
                                    
                                        | 电气性能 | 
                                    
                                
                                
                                    | 额定功率 | 
                                    5 watts minimum; 60 watts maximum | 5 watts minimum; 60 watts maximum | 5 watts minimum, 50 watts maximum | 5 watts minimum; 70 watts maximum | 
                                
                                    | 灵敏度 | 
                                    90 dB SPL (2.83V/1 meter) | 90 dB SPL (2.83V/1 meter) | 90 dB SPL (2.83V/1 meter) | 90 dB SPL (2.83V/1 meter) | 
                                
                                    | 频率响应 | 
                                    60Hz – 20K Hz±3dB | 60Hz – 20K Hz±3dB | 100-20kHZ | 50Hz – 20K Hz±3dB | 
                                
                                    | 阻抗 | 
                                    8 ohms | 8 ohms | 8 ohms | 8 ohms |