►DE230 graphic equalizer can meet the needs for most of the sound reinforcement projects,it has simple and intuitive operation control,with high precision components,Its frequency is quite accurate, the error is not more than 5%, the input gain range of each channel is +/-15dB, and the adjustment range of high pass filter is adjustable from 10Hz-250Hz, 12dB/oct.Other features with 45mm fader,optional +/-6dB or +/-l5dB attenuation range,for more precise gain adjustments; Each channel is equipped with a pass-through switch to facilitate the equalization of signals or direct through working mode switch; Low noise working balanced input and output, intuitive design makes operation easier.