StoneSonic Audio

What's actually inside a high-end speaker cabinet — and why does it matter?

StoneSonic Audio is built around one idea: that the cabinet is everything. We design and handcraft stand-mount speakers using Stonecast, a proprietary mineral-cast composite material developed to be acoustically inert — so the drivers perform without interference.

Every speaker is cast, finished, and tested by hand in our Utah workshop. No factory lines. No overseas production. No corners cut inside the box.

What to expect:
→ Full speaker builds from concept to finished cabinet
→ Technical deep dives into enclosure geometry, materials, and crossover design
→ Real frequency response measurements — not just listening impressions
→ Honest comparisons and the reasoning behind every design choice

Our flagship speaker, the Arcus, features a Stonecast mineral-cast cabinet with drivers and crossover design by Danny Richie of GR Research.

If you care about what's inside the box, you're in the right place.