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The specialist in custom in-ear monitors and bespoke cables.


M-Fidelity, owned by Alf J. Middelthon is a Norwegian company that is committed to building top of the line monitors that are designed and hand-built in Norway. Being an acoustic and electrical engineer and musician by trade, Alf is able to work with musicians and sound engineers to produce custom in-ear monitors that are tuned for use with professionals, which also appeals to the most discerning audiophiles.