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

    Hilton Hasbrouck Heights/Meadowlands 650 Terrace Ave, Hasbrouck Heights, NJ, United States

    T.H.E. New York International Audio Show Hilton Hasbrouck Heights/Meadowlands 650 Terrace Ave Hasbrouck Heights, NJ 07604 October 24-26, 2025 3X Event SQC and IQC Preregistration required before Oct 20 $100 SQC early pre-reg entry before Oct 1/$150 SQC late entry- no day of registration, +$50 for IQC https://iasca.square.site/product/2025-t-h-e-new-york-international-audio-show/CNEODZPWHQT5MP7NDXKJZKDX Acrylic awards Judging Saturday morning, competitor showcasing …

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  • 1X (Montgomery, AL) Greater Alabama Showdown

    Range 231 3250 Wetumpka Hwy, Montgomery, AL, United States

    Range 231 3250 Wetumpka Hwy Montgomery, AL 36110 October 25, 2025 1X Event SPL (IdBL, Bass Boxing, Demo Boxing) Entry Fee $30 first format, $20 each additional format Registration and competition 11AM Contact: Joey Perry fatboyzcaraudio@yahoo.com 2564700402

  • 1X (Huntsville, AL) Booms Day

    Milton Frank Stadium 2801 15th AVE SW, Huntsville, AL, United States

    Milton Frank Stadium 2801 15th Ave SW Huntsville, AW 35805 November 1, 2025 1X Event SPL (IdBL, Bass Boxing, Demo Boxing) Registration 9AM Entry Fee $30 for the first format, $20 for each additional Contact: Joey Perry fatboyzcaraudio@yahoo.com 2564700402

  • 1X (Yuba City, CA) Grumpy’s Hot Rod Car Show & 1X SPL Event

    Grumpy's Hot Rod 1335 Harter Pkwy, Yuba City, CA, United States

    Grumpy's Hot Rod 1335 Harter Pkwy Yuba City, CA 95993 November 1, 2025 1X SPL Event IdBL, Bass Boxing, and Demo Boxing Facebook Event Page: https://www.facebook.com/events/1175139034508860/ IASCA is excited to bring you a great event at Grumpy's Hot Rod in Yuba City, CA on November 1st! This is a 1X points event that will count towards …

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  • 1X (Cape Town, Western Cape, South Africa) IASCA SA and WPMC

    Killarney International Raceway 6 Potsdam Road, Table View, Cape Town, Western Cape, South Africa

    Killarney International Raceway 6 Potsdam Road, Table View Cape Town, Western Cape 7439 South Africa November 8, 2025 1X Event IDBL and Bass Boxing Contact: Kieran Cloete iascawc@gmail.com +27 82 619 0400

  • 1X (Woodstock, AL) Thanksgiving Throwdown

    Holiday Raceway 20105 Hwy 11, Woodstock, AL, United States

    Holiday Raceway 20105 Hwy 11 Woodstock, AL 35188 November 22, 2025 1X Event SPL (IdBL, Bass Boxing, and Demo Boxing) Entry Fee $30 for first format, $20 each additional Registration and competition 10AM Contact: Joey Perry fatboyzcaraudio@yahoo.com 2564700402

  • 1X (Durban, KZN, South Africa) IASCA KZN 2026 Season Launch

    12 Arbour Road Umbogintwini, Durban, KZN 4126 Dec 7, 2025 1X event Sound off and Park off IdBL and Bass Boxing Show, Registration, and Competition starts at 8AM Competitor Meeting 8:30 AM Contact: Vinesh Bissoon and Mohnish Ramgovind ramgouind@mweb.co.za bizzoon234@gmail.com

  • 1X (Temple, TX) 2nd Annual Out the Shack Audio Noize for Toyz

    Out the Shack Audio 2600 Highway 36, Temple, TX, United States

    Out the Shack Audio 2600 Highway 36 Temple, TX 76504 December 13, 2025 1X Event SQC, IQC, IdBL, Bass Boxing, Demo Boxing, and NiteGlow 2nd Annual Out the Shack Audio Noize for Toyz Toy/Food Drive and Audio Competition! 10AM registration, 11AM competition. SQC and IQC classes first, SPL lanes open after. Night Glow after dark! …

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  • 1X (Guadeloupe) La Seconde Chance SoundClash Contest

    Le Moule, FWI 97160 December 13, 2025 1X Event IASCA Caribbean Sound Clash Begins 4PM Contact: METRI PATRICK and DIMITRI BOUDHOU Metri Patrick: m.lowman@outlook.com PATRICK 0590 690 57 87 38 DIMITRI 0590 690 36 90 54

  • 1X (San Bernardino, CA) California Sound Toys for Tots

    California Sound 740 South E St, San Bernardino, CA, United States

    California Sound 740 S. E St. San Bernardino, CA 92408 December 13, 2025 1X Event SPL (IdBL, Bass Boxing, Demo Boxing) $25 Toy Registration 9AM Competition 10AM Contact: Jeff Hon hon_jeff@yahoo.com 7604846836

  • 1X (Sacramento, CA) Bass for Tots

    Melo's Auto Repair 3523 Kiessig Ave, Sacramento, CA, United States

    Melo's Auto 3523 Kiessig Ave Sacramento, CA 95823 December 20, 2025 1X Event SPL (IdBL, Bass Boxing, and Demo Boxing) 11AM Facebook Event Page: https://www.facebook.com/events/1415702230184299/ Get ready to feel the holiday spirit—and the bass! Join us for a special Bass for Tots — Holiday Toy Drive and Bass Show, where car audio enthusiasts come together to …

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  • 1X (Alsip, IL) Toys for Tots Show @ MC Window Tint

    MC Window Tint 5330 W 124th St., Alsip, IL, United States

    MC Window Tint 5330 W 124th Street Alsip, IL 60803 December 21, 2025 1X Event IdBL, Bass Boxing, and Demo Boxing Registration and Competition 11AM Come Donate a Toy & Help us donate unwrapped toys for the tots for the holidays. More details to come. Contact: Scott Sinde bassaddiction@yahoo.com 7082181454

  • 1X (Cape Town, Western Cape, South Africa) IASCA SA and WPMC Streetfest 2025

    Killarney International Raceway 6 Potsdam Road, Table View, Cape Town, Western Cape, South Africa

    Killarney International Raceway 6 Potsdam Road, Table View Cape Town, Western Cape 7439 South Africa December 25, 2025 1X Event IDBL and Bass Boxing Contact: Kieran Cloete iascawc@gmail.com +27 82 619 0400

  • 1X (Meridian, MS) Mississippi Meyham

    Lauderdale County Agri Center 1022 Hwy 19 S, Meridian, MS, United States

    Lauderdale County Agri Center 1022 Hwy 19 S Meridian, MS 39301 January 3, 2026 1X Event SPL (IdBL, Bass Boxing, Demo Boxing) 11AM $30 first format, $20 each additional format Contact: Joey Perry fatboyzcaraudio@yahoo.com 2564700402

  • POSTPONED – 3X (Las Vegas, NV) T.H.E. Vegas

    Tuscany Suites and Casino 255 E Flamingo Rd, Las Vegas, NV, United States

    POSTPONED "Las Vegas, NV, December 22, 2025 — T.H.E. Show, America’s longest running HiFi Audio trade show  announces that their 30th Anniversary homecoming Las Vegas show is being postponed, due to unexpected developments from the originally contracted venue. Currently, the organization is  securing a new venue and dates that meets the high standards they set …

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  • 1X (San Bernardino, CA) California Sound Audio Competition

    California Sound 740 South E St, San Bernardino, CA, United States

    California Sound 740 S. E St. San Bernardino, CA 92408 January 24, 2026 1X Event SPL (IdBL, Bass Boxing, Demo Boxing) $25 Entry Fee Registration 9AM Competition 10AM Contact: Jeff Hon hon_jeff@yahoo.com 7604846836

  • 3X (Tampa, FL) Florida International Audio Expo

    Sheraton Tampa Brandon 10221 Princess Palm Ave, Tampa, FL, United States

    Sheraton Tampa Brandon 10221 Princess Palm Ave Tampa, FL 33610 Feb 220-22, 2026 3X Event SQC and IQC Limited to 30 spots.  $150 entry, includes money round and IASCA entry. Register here before Feb 13: https://floridacaraudioexpo.square.site/ Manufacturer vendor spots available!  Be seen by over 4,000 hi-fi audio enthusiasts! Florida International Audio Expo is inside the …

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  • 1X (Arcata, CA) For The Love Of Bass

    Redwood Audio Concepts 148 South G Street, Arcata, CA, United States

    Redwood Audio Concepts 148 South G Steet Suite #4 Arcata, CA 95521 February 21, 2026 1X Event SPL (IdBL, Bass Boxing, Demo Boxing) Entry $25 per class Registration 10AM Competition 11AM Contact: Patrick Lovel lovelpatrick530@gmail.com 5307399103

  • 3X (Dublin, GA) 6th Annual Team Ultra Hertz Show

    The Historic 441 Speedway 3377 US Highway 441 S, Dublin, GA, United States

    The Historic 441 Speedway 3377 US Highway 441 S Dublin, GA 31021 Saturday, Februrary 28, 2026 3X Event IdBL, Bass Boxing, and Demo Boxing Entry Fee: $30 First Format $20 Each Additional Registration and Competition 9AM Contact: Joey Perry fatboyzcaraudio@yahoo.com 2564700402

  • SQ Judges Training and 2X SQ Sunday Event (Round Rock, TX)

    Black Optix Tint of Round Rock 2005 Lamar Dr, Round Rock, TX, United States

    Black Optix Tint of Round Rock 2005 Lamar Dr Round Rock, Texas 78664 Pre-registration is required whether you are coming to train to become a judge or just want to learn about the judging process. $150 registration fee. Register here: https://iasca.square.site/product/feb-28-sq-judges-training-in-round-rock-tx/PTKXMFZLJZXYQYAGJKLEYJLV We will also have a 2X event on Sunday (open to any competitor) for …

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  • 3XWR (Durban, KZN, South Africa) IASCA KZN World Record Event

    12 Arbour Road Umbogintwini, Durban, KZN 4126 Feb 28 - Mar 1, 2026 3XWR event IdBL and Bass Boxing and Show and Shine Show begins 9AM Competition at 10AM Competitor Meeting 9:30 AM Contact: Vinesh Bissoon and Mohnish Ramgovind ramgouind@mweb.co.za bizzoon234@gmail.com

  • 1X (Yuba City, CA) Audio Enhancers SPL Soundoff

    Audio Enhancers 1695 Sierra Ave C, Yuba City, CA, United States

    Audio Enhancers 1695 Sierra Ave C, Yuba City, CA 95993 March 1, 2026 2X Event SPL (IdBL, Bass Boxing, Demo Boxing) IASCA is excited to bring you another great event at Audio Enhancers in Yuba City, CA on March 1st! This is a 2X points event that will count towards 2026 points! Event Facebook Page: https://www.facebook.com/events/1303882218150850/ …

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

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

    Avi Resort & Casino 10000 S. Aha Macav Pkwy Laughlin, NV 89029 March 7 and 8, 2026 3X Event Saturday -  IdBL, Bass Boxing and Demo Boxing Sunday - SQC and IQC The Showdown is a full two day mobile audio, car, truck, and bike show taking place March 7th and 8th 2026. 4 multipoint …

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  • 3X (South Padre Island, TX) Spring Break Jam 2026

    South Padre Island Convention Center 7355 Padre Blvd., South Padre Island, TX, United States

    South Padre Island Convention Center 7355 Padre Blvd. South Padre Island, TX 78597 March 7 & 8, 2026 3X Event SQC, IQC, IdBL, Bass Boxing, and Demo Boxing Contact: Jeremy Price pricej0508@gmail.com 5126532487

  • RESCHEDULED – 1X (St Petersburg, FL) Amplified Autosports

    Amplified Autosports 4300 31st St. N., St. Petersburg, FL, United States

    Amplified Autosports 4300 31st St. N St. Petersburg, FL 33714 March 15, 2026 1X Event SQC Registration fee $30 Registration 9AM Competition 10AM Find out more about IASCA and upcoming events.  Get feedback and a score from one of our judges-in-training! Contact: Angie Landis angielandis5@gmail.com 8132943744

  • 3X (Lacey, WA) Audio Northwest SQ Soundoff

    Audio Northwest 4708 Pacific Avenue , Lacey, WA, United States

    Audio Northwest 4708 Pacific Ave. Lacey, WA 98503 Saturday, March 21, 2026 Registration 11 AM 3X event SQC/IQC Entry $30 for one format, $50 for both. Contact: Travis Chin Travis@iasca.com

  • 3X (Centralia, WA) Sight & Sound Audio Connections 2026 Kickoff

    Sight & Sound Audio Connections 1600 S. Gold Street, Centralia, WA, United States

    Sight & Sound Audio Connections INC. 1600 S. Gold Street Centralia, WA 98531 Sunday, March 22, 2026 3X Event IdBL/Bass Boxing/Demo Boxing Registration from 9 to 10AM Entry $35 for one format, $25 for each additional Prereg to save $5 per format - https://northwestspl-surfcity.square.site/product/sight-sound-audio-connections-march-22-2026/PPLMISWAQS3YYLSARFNMWKMV NO SPL DEMOS until after the show Contact: Travis Chin Travis@iasca.com

  • 2X (Cornelius, NC) Freeman’s Car Stereo

    Freeman's Car Stereo Cornelius 19010 Statesville Rd., Cornelius, NC, United States

    Freeman's Car Stereo 19010 Statesville Rd. Cornelius, NC 28031 March 22, 2026 SQC Registration 9AM Competition 10AM Contact: Keith Turner sqshows@gmail.com 5132792250

  • 1X (San Bernardino, CA) California Sound Audio Competition

    California Sound 740 South E St, San Bernardino, CA, United States

    California Sound 740 S. E St. San Bernardino, CA 92408 March 28, 2026 1X Event SPL (IdBL, Bass Boxing, Demo Boxing) $25 Entry Fee Registration 9AM Competition 10AM Contact: Jeff Hon hon_jeff@yahoo.com 7604846836

  • 3X (Schaumburg, IL) Car Audio Showcase Invitational at AXPONA

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

    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 …

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  • 1X (Newport, TN) Team Flexonm

    Cocke County Fairgrounds 112 Fairground Circle, Newport, TN, United States

    Cocke County A and I Fairgrounds 112 Fairground Circle Newport, TN 37821 April 11, 2026 1X SPL event IdBL/Bass Boxing/Demo Boxing 2PM Registration Entry $30/$50 Contact: Joey Perry Fatboyz Car Audio (256) 470-0402 fatboyzcaraudio@yahoo.com

  • 2X (Alsip, IL) Season Opener At MC Window Tint

    MC Window Tint 5330 W 124th Street Alsip, IL 60803 April 12,  2026 2X Event IdBL, Bass Boxing, and Demo Boxing Registration 10AM Competition 11AM Entry $30 first format, $15 each additional format. Contact: Scott Sinde bassaddiction@yahoo.com 7082181454

  • 3X (Meridian, CA) Rolling on the River III

    The Pimley Ranch 4500 Marty Rd., Meridian, CA, United States

    The Pimley Ranch 4500 Marty Rd. Meridian, CA 95957 April 18, 2026 3X SPL Event IdBL, Bass Boxing, and Demo Boxing Entry fee $50 Gate Fee + $30 for additional classes IASCA CA is excited to bring you our first 3X State Record Car Audio Competition event for the 2026 event season in California at …

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  • 1X (Fairfield, AL) Springfest

    Faces Lounge 7070 Aaron Aronov Dr, Fairfield, AL, United States

    Faces Lounge 7070 Aaron Aronov Dr Fairfield, AL 35064 April 18, 2026 1X SPL event IdBL/Bass Boxing/Demo Boxing 12PM Registration Entry $30/$50 Contact: Joey Perry Fatboyz Car Audio (256) 470-0402 fatboyzcaraudio@yahoo.com

  • 2X (Chaska, MN) Trix Customs Sound Off

    Trix Customs 2950 Chaska Blvd., Chaska, MN, United States

    Trix Customs 2950 Chaska Blvd. Suite 124 Chaska, MN 55318 April 25, 2025 2X Event SQC IASCA 2X SQ Only & Top 20 Money round Registration 9:30AM Contact: Keith Turner sqshows@gmail.com 5132792250

  • 2X (Newport, TN) Team High Voltage

    Cocke County Fairgrounds 112 Fairground Circle, Newport, TN, United States

    Cocke County A and I Fairgrounds 112 Fairground Circle Newport, TN 37821 April 25 & 26, 2026 2X SPL event IdBL/Bass Boxing/Demo Boxing 9AM Registration Entry $30/$50 Contact: Joey Perry Fatboyz Car Audio (256) 470-0402 fatboyzcaraudio@yahoo.com

  • 1X (Montclair, CA) Audio Systems 4th Annual Spring SQ Show 2026

    Audio Systems 5132 Holt Blvd., Montclair, CA, United States

    Audio Systems 5132 Holt Blvd. Montclair, CA 91763 1X Event SQC/IQC Sunday, April 26, 2026 9AM Registration 9:30AM Competition $40 first class, $30 each additional Multi-org SQ event with EMMA, IASCA, WCA Contact: Richard Papasin papasinsound@gmail.com 4086424577

  • 2X (Altoona,WI) Elite Audio SQ Showdown

    Elite Audio 2135 South Hastings Way, Altoona, WI, United States

    Elite Audio 2135 South Hasting Way Altoona, WI 54720 April 26, 2025 2X Event SQC $65 entry Registration 9AM Competition 10AM Contact: Keith Turner sqshows@gmail.com 5132792250

  • 3X (Lafayette, IN) 4th Annual Brandon Mannies Memorial show

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

    SoundCheck Customs 480 Farabee Dr Lafayette, IN 47905 Sunday, April 26, 2026 3X SPL Event IdBL, Bass Boxing, Demo Boxing $30 first format $20 additional Registration 10AM Competition 11AM Contact: Michael Astin astinfamily88@gmail.com 7653653285

  • 2X (Pigeon Forge, TN) Battle of the Smokies

    Pigeon Forge 314 Henderson Chapel Rd, Pigeon Forge, TN, United States

    Pigeon Forge 314 Henderson Chapel Rd Pigeon Forge, TN 37863 May 2 & 3, 2026 2X Event SQC IASCA 2X SQC & IQC Mulit org event Top 25 Money Round Registration 9AM Contact: Keith Turner sqshows@gmail.com 5132792250

  • 3XWR (Sacramento, CA) The Gately Audio Show

    Cal Expo 1600 Exposition Blvd., Sacramento, CA, United States

    Cal Expo Sacramento 1600 Exposition Blvd. Sacramento, CA 95815 May 2&3, 2026 3XWR Event IdBL, Bass Boxing, Demo Boxing Entry $40 per class YOU MUST PURCHASE TICKETS TO ENTER THE VENUE! --> https://gatelyaudio.com/ IASCA 3X World Record event updates and competition schedule will be posted to the Facebook Page IASCA CA: https://www.facebook.com/IASCACAUSA/ Additional event information and tickets …

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  • 2X (Wenatchee, WA) Rockin the Dam

    Rocky Reach Dam Discovery Center 6151 US-97 ALT, Wenatchee, WA, United States

    Rocky Reach Dam Discovery Center 6151 US-97 ALT Wenatchee, WA 98801 Sunday, May 3, 2026 2X Event IdBL, Bass Boxing, Demo Boxing 10AM Registration $20 per format Awards for 1st, 2nd and 3rd Lots of family activities in Wenatchee for the Apple Blossom Festival - make it a family vacation!  Taco vendor and a car …

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  • 2X (Huntington, IN) Bassin For A Cause

    Huntington County Fairgrounds 631 E. Taylor St., Huntington, IN, United States

    Huntington County Fairgrounds 631 E. Taylor St. Huntington, IN 46150 Saturday May 9, 2026 2X SPL Event IdBL, Bass Boxing, Demo Boxing To enter show $10 demo only $15 car show $40 to compete in audio formats Registration 10AM Competition 11AM Contact: Michael Astin astinfamily88@gmail.com 7653653285

  • 2X (San Bernardino, CA) IASCA SoCal Cali Sound Shootout

    California Sound 740 S. E St. San Bernardino, CA 92408 May 9, 2026 2X Event SQ and SPL (SQC, IQC, IdBL, Bass Boxing, Demo Boxing) $25 Entry Fee per format SQ Registration and judging 9AM SPL Registration 10AM Contact: Jeff Hon hon_jeff@yahoo.com 7604846836

  • 3X (Stillwater, OK) SQ@HQ II

    Kicker World Headquarters 3100 N. Husband St., Stillwater, OK, United States

    Kicker World Headquarters 3100 N. Husband St. Stillwater, OK 74075 Saturday, May 16, 2026 3X Event SQC and IQC $100 SQC +$50 IQC Hotel group rate: HOME2 SUITES BOOKING LINK: https://group.home2suites.com/wx9kq9 BEST WESTERN BOOKING LINK: https://www.bestwestern.com/en_US/book/hotel-rooms.37120.html?groupId=5I2AM6B5 Competitor registered list as of May 10: Aaron Whitehead (+IQC) Adam G Baker (+IQC) Angie Landis (+IQC) Brad Warden …

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  • 1X (Alsip, IL) MC Window Tint May Edition

    MC Window Tint 5330 W 124th St., Alsip, IL, United States

    MC Window Tint 5330 W 124th Street Alsip, IL 60803 May 17,  2026 1X Event IdBL, Bass Boxing, and Demo Boxing Registration 10AM Competition 11AM Entry $30 first format, $15 each additional format. Contact: Scott Sinde bassaddiction@yahoo.com 7082181454

  • 3X (Coquitlam, BC) SoundsGood Auto SQ Show

    SoundsGood Auto 104-2700 Barnet Hwy Coquitlam, BC V3B1B8 Saturday, May 23, 2026 3X Event SQC only Registration 9AM $50 Pre-reg, $60 day of (USD), Prereg:https://northwestspl-surfcity.square.site/product/soundsgood-auto-may-23-2026/RL2GJUH5HBCV4T6ALIWBMFT4 If you register day of at the event, it is cash only. Limited to 25 cars. Competitors: Due to the expected high turnout, judging will be single seat, judge only …

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  • CANCELLED – 3XWR (Shelbyville, TN) DB Revolution Show

    267 Gregory Mills Road 267 Gregory Mills Road, Shelbyville, United States

    267 Gregory Mills Road Shelbyville, TN 37160 May 23, 2026 3X World Record SPL Event IdBL, Bass Boxing, and Demo Boxing Entry Fee: $30 First Format $20 Each Additional Registration and Competition 9AM Contact: Joey Perry fatboyzcaraudio@yahoo.com 2564700402

  • 1X (Lafayette, IN) Spring Mayhem

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

    SoundCheck Customs 480 Farabee Dr Lafayette, IN 47905 May 23, 2026 1X Event IdBL, Bass Boxing, Demo Boxing $20 first Format, $10 each additional Contact: Michael Astin astinfamily88@gmail.com 7653653285

  • 3XWR (Cape Town, Western Cape, South Africa) IASCA SA and WPMC

    Killarney International Raceway 6 Potsdam Road, Table View, Cape Town, Western Cape, South Africa

    Killarney International Raceway 6 Potsdam Road, Table View Cape Town, Western Cape 7439 South Africa May 23, 2026 3XWR SPL Event IDBL and Bass Boxing Contact: Kieran Cloete iascawc@gmail.com +27 82 619 0400

  • 3X (Everett, WA) Cruzin to Colby

    Hewitt Ave and Wetmore Ave Hewitt Ave and Wetmore Ave, Everett, United States

    Hewitt Ave and Wetmore Ave (In front of Funko HQ) Everett, WA 98201 Sunday, May 24, 2026 3X Event IdBL/Bass Boxing/Demo Boxing/NiteGlow Entry: $30 for 1 format, $50 for 2, $60 for 3. Prereg ends May 19. Day of entry prices - $40 for one format, $70 for 2 formats, $90 for all 3. Prereg: …

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  • 2X (Round Rock, TX) T.H.E. Lone Star AudioFest 2026

    Embassy Suites - Round Rock 270 Bass Pro Dr, Round Rock, TX, United States

    Embassy Suites - Round Rock 270 Bass Pro Dr Round Rock, TX 78665 May 22-24, 2026 2X Event SQC and IQC https://www.theshownow.com/ Demo day Saturday, Competition on Sunday. Judging can also happen on Saturday with advanced notice. Contact: Jeremy Price iascatx@gmail.com 5126532487

  • 3XWR (Arlington, WI) Volts for Vets presented by Team Deep Hertz

    Arlington Agricultural Research Station N695 Hopkins Rd, Arlington, WI, United States

    Arlington Agricultural Research Station N695 Hopkins Rd Arlington, WI 53911 May 30, 2026 3X World Record SPL Event IdBL, Bass Boxing, and Demo Boxing Registration 9AM Team Deep Hertz kicks off the season with Volts for Vets! proceeds donated to Wisconsin Veterans Foundation. This will be a 3x IASCA (World record event) and Bass Wars …

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  • 1X (Pelham, AL) Radio Active SQ show

    Radio Active 3147 Pelham Parkway, Pelham, AL, United States

    Radio Active 3147 Pelham Parkway Pelham, AL 35124 May 30, 2026 1X Event SQC Entry $35 Registration 9am Judging 10AM Contact: Keith Turner sqshows@gmail.com 5132792250

  • CANCELLED – 1X (Williamston, SC) Audio Invasion

    Anderson Motor Speedway 313 Irby Rd, Williamston, SC, United States

    Anderson Motor Speedway 313 Irby Rd Williamston, SC 39697 May 30, 2026 1X SPL event IdBL/Bass Boxing/Demo Boxing 10AM Registration Entry $30/$50 Contact: Joey Perry Fatboyz Car Audio (256) 470-0402 fatboyzcaraudio@yahoo.com

  • 1X (Burleson, TX) Lonestar Yamaha

    Lonestar Yamaha 1636 SW Wilshire Blvd, Burleson, TX, United States

    Lonestar Yamaha 1636 SW Wilshire Blvd Burleson, TX 76028 May 30, 2026 1X SQ Event SQC Entry $25 Registration and competition 10AM Contact: Jeremy Price pricej0508@gmail.com 5126532487

  • 2X (Midrand, South Africa) 2026 SA Record Event

    Xzibit Audio , South Africa

    Xzibit Audio Old Pretoria main Road The Pond Shopping Centre Halfway House Midrand, 2090, South Africa May 30 & 31, 2026 2X SPL Event IdBL and Bass Boxing Starts 9AM Registration and Competitor Meeting 9:30AM Competition 10AM Contact: Nevlen 078 270 1407

  • 2X (Pasco, WA) SD Car Audio

    SD Car Audio 624 W. Lewis St., Pasco, WA, United States

    SD Car Audio & Window Tinting 624 W. Lewis St. Pasco, WA 99301 Saturday, June 6, 2026 2X SPL Event IdBL, Bass Boxing, and Demo Boxing 10AM Start $20 per format Contact: Travis Chin Travis@iasca.com

  • 2X (Vallejo, CA) Battle of the Bay 2026

    Chelu Car Club 298 Mare Island, Vallejo, CA, United States

    Chelu Car Club 505 Santa Clara St Vallejo, CA 94590 June 6, 2026 2X 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 …

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  • 1X (New Braunfels, TX) Elite Series Big 4 Points War

    Elite Auto Sounds and Home Theater 3183 Interstate 35, New Braunfels, TX, United States

    Elite Auto Sounds 3915 S I-35 Frontage Rd Suite 110 New Braunfels, TX 78132 June 6, 2026 1X Event SQC, IQC, IdBL, Bass Boxing, and Demo Boxing Entry $25 each format Registration 9AM SQ classes 10AM-12PM SPL classes 12PM-Close Contact: Jeremy Price iascatx@gmail.com 5126532487

  • POSTPONED 3XWR (Callahan, FL) Quake X

    NE Florida Fairgrounds 543378 US-1, Callahan, FL, United States

    NE Florida Fairgrounds 543378 US-1 Callahan, FL 32011 June 6 & 7, 2026 9AM Registration 10AM Competition WR (3X) Event IdBL/Bass Boxing/Demo Boxing Contact: Joey Perry Fatboyz Car Audio (256) 470-0402 fatboyzcaraudio@yahoo.com

  • 1X (Yuba City, CA) 4th Annual Motors & Music Car Show

    River Valley High School 801 El Margarita Rd., Yuba City, CA, United States

    River Valley High School 801 El Margarita Rd. Yuba City, CA 95993 June 7, 2026 1X SPL Event IdBL, Bass Boxing, Demo Boxing $25 per format Facebook Event Page: https://www.facebook.com/events/1784894112889674/ IASCA is excited to bring you another great event at the 4th Annual Motors and Music Car Show in Yuba City, CA on Sunday, June …

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  • 1X (Cleves, OH) Friday Night Beat Off

    IOK Four Wheelers Campground 9850 Valley Junction Road, Cleves, OH, United States

    IOK Four Wheelers Campground 9850 Valley Junction Road Cleves, OH 45002 June 12, 2026 1X SPL event IdBL, Bass Boxing, and Demo Boxing Registration and competition begins at 7PM The Friday Night Beat off is back this year. Each run will be $10 paid at the IASCA tent. This is a points only show, no …

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  • 3X (Warm Springs, OR) Route 26 Soundoff

    Indian Head Casino 3236 Hwy 26, Warm Springs, OR, United States

    Indian Head Casino 3236 Hwy 26 Warm Springs, OR 97761 Saturday, June 13, 2026 3X Event IdBL, Bass Boxing, and Demo Boxing $35 first format, $25 additional formats Prereg with discount:https://northwestspl-surfcity.square.site/product/route-26-soundoff-at-indian-head-casino-june-15-2024/21 First 25 to register receive a show shirt, every participant receives $20 BSPSPL DEMOS after 2PM10AM registration, 2PM qualifying endsCar Audio Raffle Contact: Travis …

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  • 1X (Birmingham, AL) 8th Annual Blockfest

    Legion Field 400 Graymont Ave West, Birmingham, AL, United States

    Legion Field 400 Graymont Ave West Birmingham, AL 35204 June 13, 2026 1X SPL event IdBL/Bass Boxing/Demo Boxing 12PM Registration Entry $30/$50 Contact: Joey Perry Fatboyz Car Audio (256) 470-0402 fatboyzcaraudio@yahoo.com

  • 1X (Corpus Christi, TX) Battle On the Bay

    Hilliard Center 1901 North Shoreline Blvd, Corpus Christi, TX, United States

    Hilliard Center 1901 North Shoreline Blvd. Corpus Christi, TX 78401 June 13, 2026 1X Event SQC, IQC, IdBL, Bass Boxing, and Demo Boxing Entry $25 each format Contact: Jeremy Price iascatx@gmail.com 5126532487

  • 3XWR (Cleves, OH) Slamology Automotive & Music Festival

    Edgewater Sports Park 4819 E Miami River Rd, Cleves, OH, United States

    Edgewater Sports Park 4819 E Miami River Rd Cleves, OH 45002 June 13 & 14, 2026 TKE (3x) SPL World Record event https://slamology.com/ Contact: Bass Addiction Scott Sinde bassaddiction@yahoo.com 708-218-1454

  • 3X (Durban, KZN, South Africa) GAS Motor Show International 2026 Ft. Sung Kang

    Suncoast Casino Suncoast Boulevard O R Tambo Parade Durban, 4056, South Africa 3X SPL Event IdBL and Bass Boxing Show, Registration, and Competition starts at 9AM Competitor Meeting 9:30 AM Contact: Riaz Ahmed, Vinesh Bissoon and Mohnish Ramgovind ramgouind@mweb.co.za & bisson234@gmail.com 0730446264

  • 2X (Sonoma, CA) Raceworz Sonoma 2026

    Sonoma Raceway 29355 Arnold Dr, Sonoma, CA, United States

    Sonoma Raceway 29355 Arnold Dr Sonoma, CA 95476 June 14, 2026 2X SPL Event IdBL, Bass Boxing, Demo Boxing Registration 10AM Competition 10:30AM Entry $25 per format Facebook Event Page: https://www.facebook.com/events/1416470606516767/ IASCA is excited to bring you another HUGE event! We are teaming up with Raceworz again this year for their Sonoma Raceway event June …

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  • 2X (Lafayette, IN) SoundCheck Summer Spectacular

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

    SoundCheck Customs 480 Farabee Dr Lafayette, IN 47905 June 20, 2026 2X Event IdBL, Bass Boxing, Demo Boxing $30 first format, $15 for additional. Deathmatch $25 Registration 6PM Competition 6PM Contact: Michael Astin astinfamily88@gmail.com 7653653285

  • 3X (Costa Mesa, CA) T.H.E. Show SoCal 2026

    Hilton Orange County Costa Mesa 3050 Bristol St., Costa Mesa, CA, United States

    T.H.E. Show SoCal 2026 Hilton Orange County Costa Mesa 3050 Bristol St. Costa Mesa, CA 92626 June 27, 2026 3X Event SQC and IQC $75 Pre-registration link: https://iasca.square.site/product/2026-t-h-e-show-socal/3LY34FCFAROY42BM23XV77QE Acrylic awards Judging Saturday morning, competitor showcasing (demos) after judging. Awards presentation Saturday afternoon. Please clean vehicles - consider each competition vehicle as a booth vehicle. All …

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  • 1X (Kingsville, TX) South Texas Shootout Custom Car and Truck Show

    JK Northway Expo Center 501 E Escondido Rd, Kingsville, TX, United States

    J.K. Northway Expo Center 501 E Escondido Rd Kingsville, TX 78363 June 27, 2026 1X Event SQC, IQC, IdBL, Bass Boxing, and Demo Boxing Entry $20 per class Registration 11AM Competition 12PM Contact: Jeremy Price iascatx@gmail.com 5126532487

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

    Cincy Security and Sound 9380 Union Cemetery Road, Loveland, OH, United States

    Cincy Security and Sound 9380 Union Cemetery Road Loveland, OH 45140 June 27, 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 - …

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  • 1X (San Bernardino, CA) California Sound Audio Competition

    California Sound 740 South E St, San Bernardino, CA, United States

    California Sound 740 S. E St. San Bernardino, CA 92408 June 27, 2026 1X Event SPL (IdBL, Bass Boxing, Demo Boxing) $25 Entry Fee Registration 9AM Competition 10AM Contact: Jeff Hon hon_jeff@yahoo.com 7604846836

  • 1X (Alsip, IL) MC Window June Edition

    MC Window Tint 5330 W 124th St., Alsip, IL, United States

    MC Window Tint 5330 W 124th Street Alsip, IL 60803 June 28, 2026 1X Event IdBL, Bass Boxing, Demo Boxing and NiteGlow Registration 10AM Competition 11AM Entry $30 first format, $15 each additional format. Contact: Scott Sinde bassaddiction@yahoo.com 7082181454

  • 3XWR (Chehalis, WA) Jammin at Jesters presented by Bee Busy Audio

    Jester Auto Museum 321 Hamilton Rd, Chehalis, WA, United States

    Jester Auto Museum 321 Hamilton Rd Chehalis, WA 98532 July 11, 2026 3XWR SPL and SQ Event Saturday 9AM – 2PM SQ judging (no SPL demos) Saturday 2-9PM World Record SPL event Saturday 9PM Niteglow $20 Preregistration before 9PM July 7 – $35 1st format, $20 each additional. https://northwestspl-surfcity.square.site/product/2026-jammin-at-jesters-prereg/NPQE4TLON73MSDVU6W6U2AHS Day of $40 1st format, $30 …

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  • 1X (Spokane, WA) Bring on the Boom

    Sounds On Wheels 12410 E Indiana Ave, Spokane Valley, WA, United States

    Sounds on Wheels 12410 E Indiana Ave Suite B Spokane Valley, WA 99216 Saturday, July 11, 2026 9AM 1X SPL Event IdBL, Bass Boxing, and Demo Boxing $20 entry per format Manufacturers on site - including Brian Mitchell from Arc Audio Contact: Drew Chin

  • 3XWR (Maynard, TN) XS Power Show

    Knoxville Dragway 160 Raceway Dr., Maynardville, TN, United States

    Knoxville Dragway 160 Raceway Dr Maynardville, TN 35807 Saturday July 11, 2026 3XWR Event IdBL, Bass Boxing, Demo Boxing $30 First/$20 Each Additional Registration 9AM Competition 9AM Contact: Joey Perry fatboyzcaraudio@yahoo.com

  • 3X (Wheeling, WV) Steel Valley Regional (SVR) XV

    Wesbanco Arena #2 14th Street, Wheeling, WV, United States

    Wesbanco Arena 2 14th Street Wheeling, WV 26003 July 17-19. 2026 3X Event SQC and IQC Pre Reg Only Contact: Keith Turner sqshows@gmail.com 5132792250

  • 3X (Austin, TX) Texas Heat Wave

    Travis County Expo Center 7311 Decker Lane, Austin, TX, United States

    Travis County Expo Center 7311 Decker Lane Austin, TX 78724 July 17 - 19, 2026 3X Event SQC, IQC, IdBL, Bass Boxing, and IdBL Contact: Jeremy Price pricej0508@gmail.com 5126532487

  • 1X (Alsip, IL) MC Window Tint Night Edition

    MC Window Tint 5330 W 124th St., Alsip, IL, United States

    MC Window Tint 5330 W 124th Street Alsip, IL 60803 July 18, 2026 1X Event IdBL, Bass Boxing, Demo Boxing and NiteGlow Registration 4PM Competition 5PM Entry $30 first format, $15 each additional format. Contact: Scott Sinde bassaddiction@yahoo.com 7082181454

  • 3X (Arlington, WI) Bass Brawls

    Arlington Agricultural Research Station N695 Hopkins Rd, Arlington, WI, United States

    Arlington Agricultural Research Station N695 Hopkins Rd Arlington, WI 53911 July 25, 2026 3X SPL Event IdBL, Bass Boxing, and Demo Boxing Registration 9AM Competition 10AM Entry $60 Food, Raffles Contact: Scott Sinde bassaddiction@yahoo.com 7082181454

  • 3X (Tigard, OR) Car Toys Tigard SQ Show

    Car Toys Tigard 11710 SW Pacific Hwy #99W, Tigard, OR, United States

    Car Toys Tigard 11710 SW Pacific Hwy #99W Tigard, OR 97223 https://cartoysoregon.com/ July 25, 2026 3X Sound Quality Event (SQC and IQC) 10AM Registration Preregister Entry Fee $30 per format, Day of $40 per format Contact: Travis Chin Travis@iasca.com

  • 3X (Clackamas, OR) Car Toys Clackamas SPL Show

    Car Toys Clackamas 10305 SE 82nd Ave, Portland, OR, United States

    Car Toys Clackamas 10305 SE 82nd Ave Portland, OR 97086 https://cartoysoregon.com/ July 26, 2026 3X SPL Event (IdBL, Bass Boxing, Demo Boxing) 9AM Registration Preregister entry fee $30 for first format/$20 each additional Day registration entry fee $35 for first format/$25 each additional SPL demos after qualifying runs Raffle during awards Contact: Travis Chin Travis@iasca.com

  • 3X (Wenatchee, WA) The Dam Car Show

    Rocky Reach Dam Discovery Center 6151 US-97 ALT, Wenatchee, WA, United States

    Rocky Reach Dam Discovery Center 6151 US-97 ALT Wenatchee, WA 98801 Saturday, August 1, 2026 3X Event IdBL, Bass Boxing, Demo Boxing 9AM to 1PM - Registration and qualifying 1PM to 3PM - Bass Boxing and Demo Boxing final runs Awards for 1st, 2nd and 3rd Contact: travis@iasca.com

  • 1X (Jennings, FL) PlayLoud 13

    St Paul Rec 1144 Bee St, Jennings, FL, United States

    St. Paul Rec 1144 Bee St. Jennings, FL 32053 August 1, 2026 1X Event SPL (IdBL, Bass Boxing, Demo Boxing) Entry fee $30 first format, $20 each additional Registration 10AM Competition 10AM Contact: Joey Perry fatboyzcaraudio@yahoo.com 2564700402