DigiTech Studio Quad 4 multi-effects unit - $175 (alameda)

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condition: good

make / manufacturer: DigiTech

model name / number: Studio Quad 4

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Selling my trusty Quad 4, which I bought new & have used on a variety of projects over the years. Four independent inputs & outputs, with many different routing possibilities.

No mechanical issues, all buttons/ports/dial/screen are in good shape; the case does have some scratching on the top/bottom, but the front face is cosmetically in excellent condition (meaning the blemishes wouldn’t be visible if rack mounted). I’m including the original mounting screws & power adapter.

I mostly used this as a performance tool along with a Rolls RFX MP1288 Midiwizard for controlling many effects parameters via CC messaging. (up to 8 continuous controllers simultaneously!) I’m also selling the Rolls on Craigslist, and would be willing to package both units together at a discount for interested buyers.

Some info in this review, and a demo video below:
https://www.soundonsound.com/reviews/digitech-studio-quad-4
https://www.youtube.com/watch?v=iKn4XZWvGZg

$175 for the Quad 4, or $225 for both the Quad 4 plus the Rolls RFX MP1288 Midiwizard ($75 discount). Cash or Venmo, can meet in Alameda or Oakland.

post id: 7916675426

posted: 2026-02-21 10:47

updated: 2026-02-28 11:32

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DigiTech Studio Quad 4 multi-effects unit - musical instruments - by...

Selling my trusty Quad 4, which I bought new & have used on a variety of projects over the years. Four independent inputs & outputs, with many different routing possibilities. No mechanical...