型     号Model：              AF-12   系统System Type:              2分频单12寸全频 频率响应Frequency Response:   55Hz-18kHz 额定功率Power Rating:         280W 峰值功率Peak power：               550W 标称阻抗Nominal Impedance:    8Ω 灵敏度Sensitivity：           98dB 体积Dimensions W*D*H：        380*320*580mm