Used DigiTech DOD Envelope Filter 440 Guitar Effects Pedal Metal Muff or you can use the

or you can use the Mute switch to kill the signal for silent tuning

thick overdrive you have ever plugged into

and then send the combined output to mod

The Dirt toggle works with the side-accessible trim pot to add overdrive into the signal path

four-cable method

Used DigiTech DOD Envelope Filter 440 Guitar Effects Pedal Metal Muff or you can use theMint, all original packaging, as new From Digitech: The DOD 440 is back and the neighborhood will never be the same. The DOD 440 makes your guitar speak with vowel like sounds, and cry with slow filter sweeps that react to your pick attack. The new addition of the up and down switch lets you choose which part of the sweep you want to emphasize. Guitarists will love the "UP" setting for classic envelope quack. Bassists will love the "DOWN" setting for