Single and Multi-effects Processors Guitar effects now come in a variety of configurations, initially, they were single effects built into pedals, called stomp boxes, which grew into multi-effects ...
Clean boost or any other "booster" Amplifies some aspect of the instrument's signal output. Generally used for preventing signal loss through long chains of effects units (pedals) and getting ...
Buying Guide -
http://en.wikipedia.org/wiki/Effects_ unit
Effects Explained This is a series of original articles that explains how effects work, ... This is pretty experimental - please let me know if there are any problems or things that ...