The Protein is based around modified versions of two well-respected drive pedal circuits: the ‘Blue’ side is based on a 1990’s Marshall Bluesbreaker but has a tweaked tone control and extra output, while the ‘Green’ side takes its cue from that Nashville session favourite the Nobels ODR-1.

Review by Guitar.com

Product Page

Manual

Review by six string sensei

Demo by Buddy Blues

Demo by Alberto Barrero

Demo by That Pedal Show

Protein V3 (Pink/White)

The Protein 2 in 1 overdrive is the result of a collaboration between David Brown and guitarist / producer Adam Sniegowski.

Adam came to Dave wanting to create a dual overdrive that would sound great with any backline he encountered.

After years on the road and in the studio using backline amps that could be very inconsistent, he'd had enough.

Adam and David started with 2 drives they loved and stacked well together

Demo by  Worship Guitar Tone

Official Product Video

Review by The Gear Page

Review by Ultimate Guitar

Review by Six String Sensei

Protein V2 Pink

The Protein 2 in 1 Overdrive is a collaboration between David Brown and guitarist/producer Adam Sniegowski.  After years on the road and in the studio using backline amps that could be very inconsistent,  Adam came to Dave wanting to create a dual overdrive that would sound great with any backline he encountered. They started with two drives they loved, stacked well together, but had a few inherent issues. Dave set out to fix those issues without losing the soul of the originals.

Review by ThatGuitarLover

Review by Guitar World

Overdrive Comparison by That Pedal Show 

Demo by Michael W. Westbrook 

 Demo by Alberto Berrero

Demo by Jackson Brooksby

Demo by Ben Neal

Protein Dual Overdrive V3 (Black)

The Gritador is our version of the classic, the version that our resident genius in chief has tweaked to perfection. He dialed in the midrange to be more nuanced. You still get that classic midrange bump but without some of the inherent nasaliness that can sometimes plague this circuit. He altered the clipping to be slightly less symmetrical. He also tweaked the low end to give it more fullness while still maintaining a tight and punchy low end. 

Why Gritador? Because it means “screamer” in Portuguese.

Review by reddit /guitarpedals

Review by musicradar

Demo by Midwood Guitar Studio

Gritador

While this pedal originated as the “blue side” of the Protein Dual Overdrive, it is now available as a stand alone pedal. This “blue” pedal has been a favorite of many all over the world and is an incredibly versatile overdrive pedal allowing an incredible amount of drive options from clean boost all the way to screaming overdrive lead tones. 
The Carbon V2 features the addition of a HIGH-CUT toggle. The High-Cut allows you to tame just the right amount of those airy highs in a way that makes stacking two Carbons or a Carbon with the Blue Side of the Protein, a beautiful thing.  It also tames some of the chime and increases flexibility when stacking or using brighter amps. 

Demo by Iga Massardi

Review by Russo Music