attenuation pad

基本解释

If the drums will be hit medium to hard, you'll usually want to enable the mic's built-in attenuation ("pad") switch. This helps minimize the chance of distortion.
如果鼓被越来越有力度的击打，我们经常会希望把麦克内置的衰减开关打开，这样会帮助减少失真的机会。
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To accomplish the design goals it was necessary to use a 2nd order electrical filter for the high pass section, with an "l-pad" for attenuation because of the different sensitivities of the drivers.
由于高音喇叭和低音喇叭有不同的灵敏度，为了达到统一的目的，就需要一个起衰减作用的2阶高通滤波器。