功率放大器KNMK-650采用共向放大电路对输入音频小信号的电压进行放大,得到后期所需的输入。功率放大器的范围是专为一般商业和工业公共地址应用。3U型机架安装设计,额定功率范围从240W,480W,650W,提供了广泛的选择,以满足不同尺寸的音响系统需求。平衡线和不平衡线的输入使安装人员可以选择,平衡线输出馈送到另一个功率放大器,并确保信号传输的噪音更小,距离更远。70V、100V及4-16欧姆扬声器输出,选配不同扬声器时,安装方便。Amatching。包括一个主音量控制。短路保护、高温保护、过载保护。用于电源,信号剪辑,保护和温度。*额定功率从240W、480W、650W。*70V,100V和4-16欧姆扬声器输出。 *Isolated transformer for human safety operation. *Balanced XLR type line input and unbalance 1/4 inch TRS phone iack line input. *Balanced XLR type line output feeds to another power amplifier *Reliable protection of over heat,over load,clip& short circuit. *Indications for power,signal,clip,protection and temp *Excellent device of radiator cooling fanner that ensures working effectively Optional *DC 24V input available on less than 650W models. *Panel with/without handhold *Faults monitoring moudule,it can output short circuit signal to achieve main/spare amplifier switch.