Mobile Fidelity Sound Lab
| Company type | Private |
|---|---|
| Industry | Music, Audio equipment |
| Founded | 1977 |
| Founder | Brad Miller |
| Headquarters | Ann Arbor, Michigan , United States |
Area served | Worldwide |
Key people | Jim Davis (owner) |
| Products | Audiophile-grade vinyl LPs, compact discs, Super Audio CDs, turntables, audio equipment |
| Parent | Music Direct (since 2001) |
Mobile Fidelity Sound Lab (commonly known as MFSL or MoFi) is an American record label dedicated to producing audiophile-grade reissues. Its offerings encompass vinyl LPs, compact discs, Super Audio CDs, and other premium fidelity formats.
History
Brad Miller (1939–1998), a recording engineer and entrepreneur, initiated Mobile Fidelity's earliest releases in 1958 with distinctive recordings, including sounds like a Southern Pacific steam locomotive. The company officially commenced operations as Mobile Fidelity Sound Labs in 1977, becoming a pioneer in employing half-speed mastering techniques to improve audio fidelity on its Original Master Recording LP series.
From 1985 until 1992, MFSL grew its catalog by licensing material from the Soviet Melodiya Records archives, extending its reach into international markets. After M. S. Distributing declared bankruptcy in 1999, Mobile Fidelity temporarily halted operations. The brand was revitalized in 2001 when Jim Davis of Music Direct acquired its assets, strengthening the company’s business framework and expanding its global footprint.
LPs
Mobile Fidelity introduced its "Original Master Recording" vinyl LP collection in 1977. These albums were obtained through licensing agreements with other labels and were remastered using half-speed mastering from the original analog master tapes, applying minimal equalization and avoiding compression. Manufactured in Japan with JVC’s "Supervinyl" plastic formulation, these records were aimed at audiophiles seeking exceptional sound reproduction.
In 2016, Mobile Fidelity broadened its offerings with the Ultradisc One-Step vinyl series, releasing titles such as Santana’s Abraxas and Bill Evans’ Sunday at the Village Vanguard, further solidifying its position in the high-end vinyl market.
Cassettes, CDs, and SACDs
During the mid-1980s, Mobile Fidelity expanded into cassette tapes and compact discs, later adding Super Audio CDs (SACDs) in the 2000s to address growing demand within digital audio sectors.
MoFi Electronics
In 2016, Mobile Fidelity established MoFi Electronics, an audio equipment division based in Ann Arbor, Michigan. This branch manufactures turntables and related hardware, diversifying the company’s product range and enhancing its role within the premium audio equipment market.
Audio sourcing controversy
In July 2022, accusations emerged claiming that Mobile Fidelity Sound Lab had utilized digital master sources for vinyl pressings marketed as exclusively analog. Following an investigation led by record store owner and YouTuber Michael Esposito, MFSL representatives acknowledged that by 2011 at least 60% of their catalog—including Ultradisc One-Step titles—originated from Direct Stream Digital (DSD) files instead of original analog masters. This admission challenged the company’s foundational business approach and raised questions regarding transparency and authenticity among its core audiophile audience.
The controversy, referred to as "MoFi Gate," damaged the brand’s reputation within audiophile communities that prioritize analog sound purity. In August 2022, a class action lawsuit alleging fraudulent marketing was filed against MFSL. The case concluded with Mobile Fidelity agreeing to a $25 million settlement.