Decibel Eleven is a Southern California-based guitar effects and accessories company, operating as a division of MYE, Inc., an OEM/ODM electronics design and manufacturing firm. Founded by engineers and professional musicians, the Decibel Eleven team brings over 30 years of electronics design experience, with members who have contributed to products for brands such as Alesis, Voodoo Lab, Gibson Audio Labs, Line 6, Event Electronics, and American DJ.

The company's product line centers on programmable guitar pedals and switching systems. The Pedal Palette is an analog loop bypass switcher, router, and mixer that can swap effect pedal configurations instantly while providing a parallel mix bus. The Switch Dr. serves as a MIDI controller and loop switcher, while the Loop Expander adds four relay true-bypass effects loops to any MIDI-controlled setup. The Time After Time is a true analog delay pedal using Bucket Brigade technology with 11 memory presets and full MIDI control, and the Dirt Clod is a fully analog overdrive/distortion pedal with 10 memory presets. The Split Personality is a MIDI-controllable amp switcher with transformer-isolated output to eliminate ground loop noise. Decibel Eleven also manufactures the Hot Stone line of isolated DC power supplies for pedalboards.

Decibel Eleven has 9 products cataloged on Equipboard, including Switch Effects Pedals, Effects Pedal Accessories, and Distortion Effects Pedals. Their gear is featured by 12 artists, with the strongest followings in Rock, Pop, and Metal. Notable users include Luke Hemmings, Madison Cunningham, and Fredrik Åkesson.