舒尔反馈抑制器　SHURE　DFR11EQ

■A click on the NEW filters button places a parametric filter at 1kHz
■The filter can be placed at the desired center frequency and gain level with the mouse or by entering a value into the FREQ and GAIN text boxes
■With the mouse, the filter bar controls the filter width, or you can select a value from the WIDTH pull-down menu
■You can also use the keyboard to enter exact filter parameter valuese
■Additionally, you can adjust the output gain