Formed in 1997, the International Audio Group comprises world famous brand names such as Wharfedale hifi, Wharfedale Pro, Quad hifi and Quad Industrial . With a worldwide distribution network that includes subsidiaries in the UK, Germany, Australia, America and Hong Kong, the Group has both the manufacturing expertise and strategic positioning to develop the COEF brand further.

In a statement which accompanied the announcement IAG say: " IAG will continue to manufacture the existing range of COEF branded products for the architectural, entertainment and theatre markets but above all will inject considerable investment into research and development of new products to address the needs of those markets. In recent years, the COEF brand has developed a reputation in the world of professional lighting for high quality with great attention to detail - values central to the IAG philosophy that will be carried into the next generation of products. IAG will also ensure the continuance of excellent customer service and technical support for the existing COEF ranges."