MXR

MXR is a New York–based manufacturer of effects pedals from Rochester. The company was co-founded in 1972 by Keith Barr and Terry Sherwood and incorporated as MXR Innovations, Inc. in 1974. The MXR trademark is now owned by Jim Dunlop.

Carbon Copy, Phase 90, Iso Brick, Iso Brick Mini, Ten Band EQ, Six Band EQ