Vendor Catalog
Real specs from the brands that show up in builds. Drop a sub here into the Subwoofer Box calculator and the recommended volumes fill themselves in.
This is a spec reference, not a storefront — to buy, head to JS Ultimate Sounds or grab a member discount code first.
Brand
Category
Sundown Audio
SPL-grade subs and amps that survive daily use.
Founded in 2008, Sundown ships the same gear they run in their own competition vehicles. Known for the X, ZV, SA, and U series subwoofers and the SAE/SCV amp lines.
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