Acoustic Preamp Effects, 3 Band Equalizer Pedal Reverb Chorus Knob for Audio Equipment

3-Band EQ: With 3-band equalizer control (bass, mid, treble), with 60s loop, frequency response range is 20Hz-20KHz. With toggle switch: Notch filter toggle switch with precise adjustment control, with USB interface and XLR DI output. Easy Adjustment: With reverb and chorus effects, each effect can be controlled by one knob, making it easy to adjust. Signal Processing: You can optimize the preamp input according to your guitar pickup type and set piezoelectric or magnetic to better process the signal. Multifunction: Analog acoustic preamp effect pedal with digital effects and loop function, great practicality.