RJM Music Technology Inc

Computers and Electronics ManufacturingCalifornia, United States2-10 Employees

RJM Music Technology, Inc. is a Vista, California-based producer of guitar-related electronics founded in 2003 by Ron Menelli. Drawing on his background in computer engineering and computer science, the company launched its first product, Amp Gizmo, in 2005 and has since released additional gear and completed custom projects, with Sheri Menelli joining in 2009 to handle business and marketing.

Operating in the computers and electronics manufacturing space, RJM focuses on programmable guitar gear and MIDI control to streamline complex pedalboard setups. Its customer base includes guitarists and pedalboard enthusiasts who seek flexible switching and integrated control without sacrificing signal quality. Notable recent developments include a fully programmable overdrive with an analogue signal path introduced in 2021 and the Mastermind line of loop-switching systems and MIDI controllers, supported by ongoing firmware updates.

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