MEFF is a modular synthesizer event fair in the heart of Italy, in the artistically vibrant city of Florence, created in collaboration with the German brand of Modular Synths and Euro Rack ModulesTipTop Audio and the Italian facebook community Synth Café. This two day event is open to all manufactures of synthesizers, modular synthesizers and electronic music technology brands/entrepreneurs and culminates with a club night dedicated to electronic music and modular. The fair is free admission to the public.

Some of the brands that exhibited during the three editions are Yamaha, Roland, Behringer, Jomox, Arturia, GRP Synthesizer.