
Anthony Easton
The De La Riva BM20-Ultra by Wren and Cuff is a highly customizable bass pedal designed for distortion and fuzz effects. It offers the following technical specifications and features:
- 100% analog design
- 20 adjustable parameters via DIP switches
- Option to switch between germanium or silicon transistors
- True bypass functionality
- Lifetime warranty
- Made in the USA
The pedal provides a near endless palette of possibilities for tone shaping, with over 4 million possible unique settings at the user's fingertips. It allows for adjusting the muff circuit at 20 different points and completely bypassing the tone section for a whole other range of tones.
The De La Riva BM20-Ultra is suitable for bass players seeking highly customizable and versatile distortion and fuzz effects, offering a wide range of sonic possibilities for creative expression.
Watch the latest video demos and reviews for the De La Riva BM20-Ultra from YouTube. Stompbx updates this every six months to reflect the most popular reviewers and guitar pedal demos for each pedal.

Below are live Reverb listings for the Wren and Cuff De La Riva BM20-Ultra from Reverb. Stompbx automatically aggregates current offers to give you a quick look at available models, conditions, and prices. Perfect for comparing options and making an informed purchase.

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Check out the latest news and articles from around the pedal world.

Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton