Guitar effects pedal offering a variety of effects. It can create bit-crushed sounds, like those found in 90s video games. The knobs are quite detailed, so it's also possible to use it in a simple fuzz-like manner. It might also be worth considering for use with modular synthesizers. - Brand: electro-harmonix - Model Name: Mainframe - Function: Guitar effects pedal - Accessories: Instruction manual - Condition: Body only Thank you for looking.