DAVIE, FLA., August 2, 2018 (MEDIAWIRE)–SounDigital USA announced that Ground Zero, a worldwide speaker and amplifier brand distributed by SounDigital in the United States, will make its first independent appearance at KnowledgeFest, August 17-19 at the Dallas Convention Center. The company’s booth will be located next to the SounDigital show floor exhibit at Booth No. DAVIE, FLA., August 2, 2018 (MEDIAWIRE)–SounDigital USA announced that Ground Zero, a worldwide speaker and amplifier brand distributed by SounDigital in the United States, will make its first independent appearance at KnowledgeFest, August 17-19 at the Dallas Convention Center. The company’s booth will be located next to the SounDigital show floor exhibit at Booth No.