IASCA’s competition formats cater to all types of car audio enthusiasts, from the audiophile to the bass heavy street systems. Each has its focus on the passion we have for car audio, whether we like it clean, loud, or cool. If you love clean and clear sound, our SQ formats are for you! If you like it loud, our SPL formats allow you to turn it up as loud as it’ll go.
IASCA Judges aren’t just there to evaluate your car and system, they’re there to help you improve and teach you how to take advantage of the opportunities available to you
It doesn’t matter if you place first or not, we’re here to help you gain valuable car audio knowledge!
IASCA Competition Formats
- SQC (Sound Quality Challenge) – Learn how to make your system sound the best it can!
- IQC (Installation Quality Challenge) – Worldwide standards for system installation are at your fingertips!
- BASS BOXING – Loud and Clear… see who’s loudest and the best sounding! Mobile PA!
- DEMO BOXING – Show off your music, entertain the crowd, and prove who has the ultimate demo vehicle!
- IdBL (IASCA dB League) – The science of loud!
- Niteglow – Accent lighting competition… the brighter the better!
Sound Quality Formats
If you’ve spent countless hours selecting equipment, tuning your system, and chasing the perfect listening experience, IASCA Sound Quality Challenge (SQC) is where your hard work can truly shine. Unlike SPL competitions that focus on volume, SQC rewards accuracy, realism, balance, and the overall musical experience inside your vehicle. Competitors receive valuable feedback from trained judges, helping them improve their systems while learning from some of the industry’s most knowledgeable enthusiasts. Whether you’re competing with a simple daily driver or a fully customized show vehicle, SQC provides a welcoming environment to showcase your passion for great sound, connect with fellow audio enthusiasts, and challenge yourself to achieve the highest level of mobile audio performance. If you love music and take pride in your system, SQC is an experience you won’t want to miss.
Think your installation stands above the rest? IASCA Installation Quality Challenge (IQC) gives you the opportunity to showcase the craftsmanship, creativity, and attention to detail that make your vehicle unique. IQC isn’t about how loud your system plays—it’s about the quality of the work behind it. From wiring and fabrication to system design and safety, competitors are evaluated against internationally recognized installation standards. Whether you’re a professional installer looking to demonstrate your skills or an enthusiast proud of a project you’ve built yourself, IQC provides valuable feedback, recognition for your hard work, and the chance to compete with some of the finest installations in the industry. Every great system starts with a great installation, and IQC is where the best builders earn the recognition they deserve
SPL (Sound Pressure Level) Formats
Have you ever wondered how your system stacks up against the best? IASCA IDBL competition is the perfect opportunity to find out. Whether you’re a seasoned competitor or just proud of the build in your daily driver, IDBL offers a fun, welcoming environment where enthusiasts of all skill levels can test their vehicles, meet fellow audio fanatics, and push their systems to the next level. The competition isn’t just about being the loudest—it’s about challenging yourself, learning from others, and becoming part of a passionate car audio community. Bring your vehicle, make some runs, and discover why so many competitors get hooked after their first event. You might be surprised at what your system can do!
Ready to prove that your bass system has what it takes? Bass Boxing is one of the most exciting and accessible forms of car audio competition, combining strategy, consistency, and raw bass performance into a thrilling head-to-head format. Unlike traditional SPL competitions that focus solely on peak numbers, Bass Boxing challenges competitors to hit specific targets and outscore their opponents, creating intense matchups that keep spectators engaged and competitors coming back for more. Whether you’re running a modest daily-driver setup or a full competition build, Bass Boxing offers classes for all experience levels and system sizes. It’s a fun, competitive atmosphere where you’ll meet fellow bass enthusiasts, learn more about your equipment, and experience the excitement of organized car audio competition. Step into the lane, make some noise, and see how your system measures up against the competition!
If your favorite part of car audio is sharing your system with others, IASCA Demo Boxing was built for you. This exciting competition format rewards competitors who can combine volume, sound quality, system performance, and crowd engagement into an unforgettable demonstration experience. It’s not just about being loud—it’s about creating a demo that impresses listeners and showcases everything your system can do. Whether you have a daily driver with incredible sound or a purpose-built demo vehicle, Demo Boxing gives you the chance to entertain spectators, challenge yourself against other enthusiasts, and gain recognition for your tuning, creativity, and presentation skills. If you love turning heads, drawing a crowd, and sharing your passion for car audio, Demo Boxing is the perfect way to take your system to the next level.