The Dunlop MXR Bass Octave Deluxe offers precise octave sound with two independent analog sub-octave voices, Dry control, and Mid+ switch for optimizing your parallel clean signal. For ultimate convenience, it's powered by a 9-volt battery, Dunlop ECB003 9-volt adapter, or the DC Brick™, Iso-Brick™, and Mini Iso-Brick™ power supplies (not included). Enjoy powerful octave effects with unparalleled versatility.

The MXR Bass Octave Deluxe brings professional analog tone to your bass with 18 volt Constant Headroom Technology™ for superior tracking. Craft your sound with the Dry knob, Mid+ switch, and two adjustable octave voices for throaty "Growl" or deep "Girth". Get the ultimate bass tone with precise mid-range control and plenty of headroom.