Chelu Car Club 505 Santa Clara St Vallejo, CA 94590 June 6, 2026 1X SPL Event IdBL, Bass Boxing, Demo Boxing Entry $25 per format Facebook Event Page: https://www.facebook.com/events/982690854297368/ IASCA is excited to bring you another great event at Battle on the Bay 2026 in Vallejo, CA on Saturday, June 6th! 🔊🔥 Join us for an action-packed day of SPL competition, demos, trophies, and some of the loudest builds in California! This is an official IASCA 1X Points Event and scores will count toward the 2026 season standings. Huge thank you to Phat Boyz Car Stereo for hosting IASCA and supporting the California car audio community! 📍 Location:505 Santa Clara St, Vallejo, CA 94590 🕘 Event Time:9:00AM – 3:00PM 🎤 Event Judge: Ray Pimley 💲 Entry Fee: $25 per format Come compete, meet other enthusiasts, and see why IASCA is “The Standard By Which Great Mobile Electronics Performance Is Measured.”