The MXR M83 Bass Chorus Deluxe is a versatile modulation effects pedal for electric bass that combines harmonic chorus sounds and metallic flanger sounds in a handy package. The fully analogue circuit with Bucket Brigade Devices (BBD) provides a first-class sound experience with smooth modulation and natural warmth. In addition to the Rate , Width and Intensity controls for precise adjustment of modulation speed, width and depth, the MXR M83 Bass Chorus Deluxe features a 2-band EQ for adjusting the tone. Furthermore, the MXR Bass Chorus Deluxe features a X-Over mode that reduces the modulation effect in frequencies below 100 Hz, giving clarity and punch to deep notes. For a particularly wide sound panorama, the MXR M83 Bass Chorus Deluxe can be used in stereo after flipping the internal DIP switch .