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Inspection & Testing
Inspection & Testing
Tested. Not guessed.
Every unit is inspected, function-tested, and graded by condition. Items that don't meet our standards aren't sold.
Redo
Our returns and fulfillment partner inspects returned units.
American Bass
Our own team in Twinsburg, Ohio checks gear in-house.
What we check
- Visual inspectionHousing, finish, terminals, cone, and surround.
- Function testThe unit powers on and operates as designed.
- Condition gradeOpen Box or Open Box + Cosmetic Damage. Condition Guide
- Condition listedCondition is listed on every product, alongside full catalog specs.
Sold as-is. Vault items are not new and not refurbished. They're inspected, tested, open-box units. Final sale — no returns, no warranty, no exceptions.
See how units are graded
Condition Guide
Open Box vs. Open Box + Cosmetic Damage.