Collateral FX is a handcrafted guitar effects pedal manufacturer based in Campinas, São Paulo, Brazil. The brand builds hand-soldered pedals using components like 3PDT low-force footswitches and Alpha potentiometers, spanning categories including overdrive, distortion, fuzz, boost, buffer, chorus, compressor, modulation, preamp, vibe, and vibrato.

Their lineup includes the Continuum OD, which combines circuits inspired by the Klon Centaur and Ibanez Tube Screamer TS-10, alongside the Sirius OD, the Complex (a Marshall-style J-FET overdrive), the Banana Fuzz, the Foxey Fuzz, and The Lost Fingers of the Hand of Doom. Pedals are sold direct through the brand's website and a Reverb storefront, and each ships with a one-year warranty against manufacturing defects.

Collateral FX has 11 products cataloged on Equipboard, including Overdrive Effects Pedals, Distortion Effects Pedals, and Boost Effects Pedals. Their gear is featured by 1 artist, with the strongest followings in Rock, Folk, World, & Country, and Metal. Notable users include Ton Cikoski Radaell.