• 2X (Lafayette, IN) SoundCheck End of Season

    SoundCheck Customs 480 Farabee Dr, Lafayette, IN, United States

    SoundCheck Customs 480 Farabee Dr Lafayette, IN 47905 September 20, 2026 2X Event IdBL, Bass Boxing, Demo Boxing $20 first format, $10 for additional 1X dB DRA Registration 11AM Competition 11AM Contact: Michael Astin astinfamily88@gmail.com 7653653285

  • 1X (Silverthorne, CO) Summit County Showdown IV

    Custom Audio Design 122 10th street, Silverthorne, CO, United States

    Custom Audio Design 122 10th St Silverthorne, CO 80498 September 20, 2026 1X Event SQC and IQC Entry $40 Registration 9:30 AM Competition 10:00AM IASCA 1X SQC and IQC 0900 Showtime Free for Spectators Contact: Cameron Wilkinson cmwilkinson@mac.com 4787147488

  • 3X (Bellevue, WA) NWSQ Multi-State Finals

    Car Toys Bellevue 13201 NE 20th St, Bellevue, WA, United States

    Car Toys 13201 NE 20th St Bellevue, WA 98005 Sunday, Sept 20, 2026 3X Event SQC and IQC Competition at 9AM Pre-reg and Invite only Entry $30 per format Pre-reg ends Sept 18 at Noon. Pre-reg here: https://northwestspl-surfcity.square.site/product/2026-nwsq-multi-state-finals/SPG3KZ26QV5DCL3CYPYVQFN2 Usual awards for 1st to 3rd, then top SQC score of the event will be awarded the

  • 3X (Secaucus, NJ) T.H.E. New York International Audio Show

    Meadowlands Exposition Center 355 Plaza Dr, Secaucus, NY, United States

    T.H.E. New York International Audio Show Meadowlands Exposition Center 355 Plaza Dr Secaucus, NJ 07094 September 25 to 27, 2026 3X Event SQC and IQC Preregistration required before Sept 22 $100 Vendor booths available for just $250. Space for 1 demo vehicle, 1 table, and power, you provide backdrop or roll up banner. Larger sizes

  • 1X (Huntsville, AL) Rocket City Rumble

    Dan and Sons Auto Repair 110 Hicks Pl NW, Huntsville, AL, United States

    110 Hicks Pl NW Huntsville, AL 35805 September 26, 2026 1X Event SPL (IdBL, Bass Boxing, Demo Boxing) Registration 10AM Entry Fee $30 for the first format, $20 for each additional Contact: Joey Perry fatboyzcaraudio@yahoo.com 2564700402

  • 2026 IASCA West Coast Satellite World Finals SPL presented by Car Toys Oregon

    Oregon State Fair & Exposition Center 2330 17th St NE, Salem, OR, United States

    September 27, 2026 (and Sept 26 set up) SPL only Oregon State Fair and Expo Center Pavilion Building 2330 17th St NE Salem, OR 97301 3X Event (open to anyone) and World Finals event (Invite only) ** this event is indoors.  You must have less than 1/4 tank of gas before entering the building, only

  • 1X (Guadeloupe) Norauto IASCA SOUND CLASH Contest

    JARRY BAIE-MAHAULT, FWI 97122 September 27, 2026 1X Event IASCA Caribbean Sound Clash Begins 8AM Contact: METRI PATRICK and DIMITRI BOUDHOU Metri Patrick: m.lowman@outlook.com PATRICK 0590 690 57 87 38 DIMITRI 0590 690 36 90 54

  • 2026 IASCA SPL World Finals (Indianapolis, IN)

    Indiana State Fairgrounds 1202 E. 3th St., Indianapolis, IN, United States

    Indiana State Fairgrounds 1202 E. 38th St. Indianapolis, IN 46205 October 3 & 4, 2026 Set up Oct 2 Also featuring ISPLL and dB DRA Finals 3X Event (open to anyone) and World Finals event (Invite only) It's a great opportunity for anyone to compete in an indoor event!  Non finals competitors can compete in

  • 2X (Tampa, FL) Slamfest

    Florida State Fairgrounds 4800 US Hwy 301 N, Tampa, FL, United States

    Florida State Fairgrounds 4800 US Hwy 301 N Tampa, FL 33610 October 10 & 11, 2026 2X SQ Event SQC Entry $65 Registration 8AM Contact: Angie Landis angielandis5@gmail.com 8132943744

  • 1X (Columbus, OH) Buckeye State SQ Challenge Round 3

    Genesis Audio Ltd 132 N High St, Gahanna, OH, United States

    Genesis Audio 132 N. High St. Gahanna, OH 43230 October 24, 2026 1X SQ Event - SQC only Every car will be judged single judge, from driver's seat.  Class awards, 1st to 3rd. Scores from all 3 rounds will be totaled to determine who is the Buckeye State SQ Champion. June 27 - CSS, Cincinnati,

  • 3X (Laughlin, NV) The Showdown Super Show Presented by Kicker

    Avi Resort & Casino 10000 Aha Macav Pkwy, Laughlin, NV, United States

    Avi Resort & Casino 10000 S. Aha Macav Pkwy Laughlin, NV 89029 Feb 27 & 28, 2027 3X Event SQC, IQC, IdBL, Bass Boxing, and Demo Boxing ROOM BLOCK INFO - Use the group code, GSDAS27 https://aviresortandcasino.ihotelier.com/book/dates-of-stay Contact: Travis Chin travis@iasca.com

  • 2026 IASCA Sound Quality World Finals at the AXPONA Car Audio Showcase

    Renaissance Schaumburg Hotel & Convention Center 1551 N Thoreau Dr, Schaumburg, IL, United States

    AXPONA (Audio Expo North America) Renaissance Schaumburg Hotel & Convention Center 1551 N Thoreau Dr Schaumburg, IL, 60173 April 16 to 18, 2027 Details coming soon! Contact: Travis Chin Travis@iasca.com

  • 3XWR (Lincoln City, OR) Surf City Soundoff

    Chinook Winds Casino Resort 1777 NW 44th St. , Lincoln City , OR, United States

    Chinook Winds Casino Resort 1777 NW 44th St Lincoln City, OR 97367 August 21 & 22, 2027 3X World Record Event Pre-registration will open in May.  You can register onsite for SQ on Saturday Aug 21 before 10AM, and for SPL on Sunday, Aug 22 before 10AM. Contact: Travis Chin Travis@iasca.com Tentative schedule Saturday: 9AM