Middle Tennessee · Est. 2024
Built by a builder, for builders
like you.
ThunderCase Customs started as a workshop project an obsession with building the loudest, toughest portable speaker that could survive a lake day and still sound incredible. That obsession turned into a business, and a community.
​
We became authorized dealers for TinySine and PowerBass so we could offer the DIY audio community a trusted US source for genuine components no gray market, no surprises, full warranty support on every part we sell.
100%
Hand-built ThunderCase speakers
2×
Authorized dealer — TinySine & PowerBass
​DIY
Parts, kits, bundles & workshops offered
TN
Born and built in Middle Tennessee
Authorized TinySine Dealer
Genuine amp boards with full manufacturer warranty. TSA7801B, TSA8802B, TSA7802B, and TSA7551B in stock and ready to ship.
Authorized PowerBass Dealer
Premium speaker drivers for serious builds. Genuine PowerBass components sold individually and in ready-to-build bundles.
Genuine parts only
We're authorized dealers — every component is manufacturer-sourced, warranted, and the real thing. No gray market,
no knockoffs.
Built by hand
Every ThunderCase speaker is assembled, tuned, and tested in our Tennessee workshop before it ships. Each
one is one of a kind.
Community first
Workshops, build guides, and a growing DIY audio community
we're here to help you build something great,
not just sell you parts.