MXR M103 Blue Box konig-meyer Low Pass filter with selectable

Low Pass filter with selectable Q

Innovative feed and link functions

Including additional pair of extra-log screws for use on Gibson models

Real-Time Frequency Analyser (RTA) on inputs and outputs

These keep your rack safe from dust and other contaminants while providing the inside a protective shield from inexperienced hands

MXR M103 Blue Box konig-meyer Low Pass filter with selectableM103 This is the crazy effect heard on Jimmy Page's "Fool in the Rain" solo. The Blue Box Octave Fuzz takes your guitar signal and duplicates it two octaves down for a huge, subterranean tone. The Blend knob lets you control how much of the fuzz tone is mixed with the two octaves down signal. Not for the timidthere is truly nothing like the Blue Box. Power: Dunlop ECB003 AC Adapter or Single 9 volt battery