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SPL / dB
Estimate SPL from speaker sensitivity, power, and distance.
Inputs
dB @ 1W/1m
W
m
Results
Fill in the inputs and tap Calculate to see results.
From the Catalog
Real products with verified specs. Tap one for the full data sheet.
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
Shop →
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.