ZW38 BLACK LABEL CHORUS DESCRIPTION • Analog bucket brigade technology • Small footprint saves pedalboard space • High and Low filter cut controls for detailed tone sculpting • Two outputs for a wide and sweeping stereo spread POWER The MXR ZW38 Black Label Chorus can be powered by one 9 volt battery (accesed by removing the bottom plate of the pedal), a Dunlop ECB003 AC adapter (ECB003E in Europe) or a Dunlop DCB10 DC Brick power supply.