Audio CompetitionConfirmed · 1+ sources · updated today
IASCA West Coast Satellite SPL Finals
Going to this one?
Free members get show-prep discount codes at JS Ultimate Sounds and JS Alternators — plus alerts when new shows are added near you.
When
Sunday, September 27, 2026
4:00 PM
About
West-coast satellite of the SPL World Finals for competitors who can’t make the Indy trip.
Gear for this build
In stock at our partner shops — real prices, shipped from people who run this stuff.
Audio Ace
Audio Ace Jester 12" 3000W RMS D2
3000W RMS 12" dual 2Ω — competition-grade motor for high-output builds.
$549JS Ultimate Sounds
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Audio Ace
Audio Ace Jester 18" 3000W RMS D2
18" dual 2Ω SPL driver — when the lane needs every decibel.
$599JS Ultimate Sounds
Shop →
JS Ultimate Sounds and JS Alternators are run by the ShowUp team — buying there supports the site. Prices as listed at the shop.