Sound Digital is a semi-national commercial digital radio multiplex in the United Kingdom, owned by Arqiva, Bauer Media Group and News Broadcasting.
[3] Following the collapse of the winning 4 Digital Group bid for the second national ensemble in 2008, the capacity was re-advertised in 2014.
[4] Two bids were received, Sound Digital and Listen2Digital, a consortium run by Orion Media and Babcock International Group.
On 15 May 2018, Sound Digital announced the planned introduction of additional 19 transmitters – to improve coverage in the South West, East Anglia, Wales and North of Scotland – increasing the multiplex's coverage to 83%, adding nearly 4 million new listeners in more than 1.6m new households.
[10] In September 2023 Bauer announced that Mellow Magic, Planet Rock, Scala Radio, Absolute 80s and Absolute 90s would transition to DAB+ from that October, freeing up capacity for the addition of Absolute Radio Country, Absolute Classic Rock, Magic Chilled, Magic Soul, Magic at the Musicals, Heat Radio and Kerrang!