M82 BASS ENVELOPE FILTER DESCRIPTION POWER • Classic envelope filter sounds • All-analog circuitry for rich, organic tone • Separate DRY and FX level controls for preserving low end • True bypass The MXR Bass Envelope Filter is powered by one 9-volt battery (remove bottom plate to install), a 9-volt AC adapter such as the Dunlop ECB003/ECB003E, or a DC Brick™ power supply.
