PA-300/400性能特点*超薄的2U结构，抗震性***专为工程和流动演出而设计。*全平衡超动态重驱技术，在驱动重负载时声音表现自如。*高信噪比（100dB以上），噪声极低。*信号和削波发光LED指示灯可监视功放的工作状态。*全自动保护电路包括DC（直流）、过流、过压、过热和动态自动限幅保护，确保功放稳定、***的工作。*大功率自调节双速风扇，有效降低机内温度，提高系统可靠性。*经典的三种工作模式立体声/单声道/桥接满足不同系统的搭配。*每个通道都采用Neutrikspeakon输出插口和1／4英寸输出插口再加上5路接线柱，支持所有扬声器布线系统。。Description:LA-400/800Feature:*Ultra-thin2Uframe,withthefeatureofresist-shakespeciallydesignfortheprojectandflowingperformance.*Dynamicfullbalanceofultra-widedrivetechnologycanmakefreesoundwhendrivinghe***yloads.*HighSNR(above100db),lownoise.*ThesignalandshiningLEDindicatorwithDirectW***eClippingcaninspectworkstatusoftheamplifier.*FullautomaticprotectioncircuitwhichincludingDC、overcurrent、overvoltage、overheatinganddynamicautomaticlimitationprotection,ensurethestabilizationandefficienceoftheamplifier.*Thedouble-speedandhigh-powerfanautomaticallyregulate,reduceinnertemperatureandenhancethereliabilityofthesystem.*Theclassicalworkmodeofstereo/mono/bridgemeettothecoordinatewithdifferentsystem.*EachchanneladoptsNeutrikspeakonoutputinetrfaceand1/4inchoutputinetrface,add5-wayterminal,supportingthealllondspeakercablingsystem.TechnicalSpecificaton（技术参数）型号(Model)PA-300-400OutputPower输出功率立体声8Ω+8Ω300W×2450W×2OutputPower输出功率立体声4Ω+4Ω600W×2900W×2OutputPower(BRIDGE)输出功率桥接方式8Ω1200W1800WPowerC***umption耗电量1500VA1500VAWeight重量13kg16kgShippingWeight运输重量(2PCS)28kg34kgFrequencyRespones频率范围（+/-0.5dB）20Hz-20KHz20Hz-20KHzInputSensitivity输入灵敏度0.775V0.775VInputImpedance输入阻抗40KΩ平衡/20KΩ不平衡40KΩ平衡/20KΩ不平衡Noise(unweighted)信噪比＞100dB＞100dBSlewrate转换速度＞20V/uS＞20V/uSPowerSupply供电电源220V/AC/50Hz220V/AC/50HzDimensi***外型尺寸（W×H×D）482×90×430mm482×90×430mmShippingDimensi***运输外型尺寸（W×H×D:2PCS）570X320X570mm570X320X570mm)