The Envelope Filter is one of the most enduring pedals from this era of DOD, simply due to its wide availability. Envelope filter and auto-wah on guitar is an effect that is niche by design. Most ...

DigiTech and UK distributor Sound Technology Ltd have announced immediate availability of the new DOD Bifet Boost 410 and DOD Envelope Filter 440 resissues. Here's their press release with the details ...

Founded in 1974 by David Oreste DiFrancesco (who contributed the company initials) and John Johnson, Salt Lake City – based DOD became one of the major players in the burgeoning effects market of the ...

Digitech has announced the introduction of the DOD Envelope Filter 440, which they describe as the classic "auto-wah" effect that makes your guitar "speak" with vowel-like sounds. They tell us that ...