The MXR Dyna Comp is an effects unit produced by the MXR company intended for use with electric guitar. Made since the 1970s, the MXR Dyna Comp, which adds its own coloring to the tone, has become a frequently copied and widely used guitar effect, even a standard. The MXR Dyna Comp became "a Nashville standard". It is frequently copied by other builders and hobbyists.
Notable users:
Adrian Belew
Lowell George
David Gilmour
Sonny Landreth
MXRDC