3X (Schaumburg, IL) Car Audio Showcase Invitational at AXPONA
AXPONA.com AXPONA (Audio Expo North America) Renaissance Schaumburg Hotel & Convention Center 1551 N Thoreau Dr Schaumburg, IL, 60173 April 10 to 12, 2026 3X Event SQC and IQC. All SQC scores will be used to determine the ranking of best SQC of the day, with Top 10 SQC awards and Top 5 IQC awards …