The "buy and build" strategy carried on by Quadrivio resulted in the acquisition of Audio Research in 2008,[2] Sumiko in 2010,[3] Wadia in 2011[4] and McIntosh Laboratory in 2012,[5] which constitute the holdings of Fine Sounds Group.
Through the acquisition of these brands, Fine Sounds Group became a relevant holding company in the sector of high-end audio, with €50 million sales in 2011.
[6] The holding company took part in an official event as one unique family for the first time in 2013, with the participation in the Munich High-end Show.
[7] On 9 May 2014, Mauro Grange and Charlie Randall, president of McIntosh Laboratory, Inc., announced their plans for a management buyout of Fine Sounds Group in partnership with LBO France and Yarpa, including a relocation of the Headquarters from Milan to New York.
In June 2022, McIntosh group was acquired by Dallas based equity firm, Highlander Partners, as part of their investment portfolio.