DS-M DSP Frequency feedback controller is made of DSP shift frequency and DSP automatism digital filter. DSP software searches howl point and lock it by locale condition, with no adjusting.

• DSP数字移频反馈控制器,由DSP数字移频-DSP自动数字滤波器组成,根据现场环境DSP软件自动寻找啸叫点并锁定,无需人工调节。