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  • 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  

  • 2X (Plant City, FL) Plant City SQ

    Florida Strawberry Festival 2701 W. Reynolds, Plant City, FL, United States

    Florida Strawberry Festival 2701 W. Reynolds Plant City, FL 33563 August 9, 2026 2X SQ Event SQC Registration 8AM Contact: Angie Landis angielandis5@gmail.com 8132943744

  • 3XWR (Hickory, NC) Sundown Audio Show

    Hickory Motor Speedway 3130 Highway 70 SE, Newton, NC, United States

    Hickory Motor Speedway 3130 US Hwy 70 SE Hickory, NC 28658 August 15, 2026 3XWR Event IdBL. Bass Boxing, and Demo Boxing Acrylic awards Registration and Competition begins 9AM 30 …

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  • 3XWR (Lincoln City, OR) Surf City

    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 22 & 23, 2026 3X World Record Event Pre-registration: https://www.chinookwindscasino.com/entertainment/events/surf-city-soundoff/ Contact: Travis Chin Travis@iasca.com Tentative schedule Saturday: …

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  • 3X (Arlington, WI) 1st Wisco THF Annual Bash

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

    Arlington Agricultural Research Station N695 Hopkins Rd Arlington, WI 53911 August 29, 2026 3X SPL Event IdBL, Bass Boxing, and Demo Boxing Registration 9AM Competition 10AM Entry $60 Food, Raffles …

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

    Freeman's Car Stereo Concord 675 Concord Pkwy N, Concord, NC, United States

    Freeman's Car Stereo 675 Concord Pkwy N Concord, NC 28027 Sept 6, 2025 SQC Registration 9AM Competition 10AM Contact: Keith Turner sqshows@gmail.com 5132792250

  • 2026 IASCA SPL World Finals (Indianapolis, IN)

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

    Indiana State Fairgrounds 1202 E. 3th St. Indianapolis, IN 46205 October 3 & 4, 2026 Details coming soon!

  • 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

  • 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