MCM Custom Audio identify with MCM Electronics was established in 1976 in Dayton, Ohio. There is not much information about the people that started the company.
In August 2017, reports started indicating that Premier Farnell had decided to merge the MCM brand into its other subsidiary Newark element14.
The company told its customers, “Now, MCM will be strengthening this partnership [merger with Newark element14] under the Newark name,” marking the end of the brand's four-decade history.