Description
Sold individually — one SMS Precision 6.5-inch-class to 2-inch 4-bolt adapter per quantity ordered.
Mount a Compatible 2-Inch 4-Bolt Driver in a 6.5-Inch-Class Fabrication Opening
This SMS Precision adapter gives a compatible 2-inch four-bolt driver a proper mounting interface in a 6.5-inch-class speaker location, custom door, pod, panel or other purpose-built fabrication opening.
This is a fabrication adapter, not a universal vehicle-fitment claim.
Before You Order
- Outer application: Confirm the 6.5-inch-class mounting surface and available flange area.
- Driver interface: Confirm the exact 2-inch four-bolt pattern and driver dimensions.
- Depth: Verify basket/body depth and rear clearance.
- Front clearance: Check grille, trim and driver excursion where applicable.
- System design: Follow the selected driver's crossover, power and installation requirements.
What Comes With It
- One SMS Precision 6.5-inch-to-2-inch 4-bolt adapter
Speaker / high-frequency driver, wiring and installation hardware are not included unless specifically stated elsewhere on the order.
Exact Product Details
| Sale unit | One adapter |
|---|---|
| Outer application | Compatible 6.5-inch-class speaker location or fabrication opening |
| Driver interface | Compatible 2-inch four-bolt driver |
| Application type | Custom fabrication / mounting adapter |
| Driver included | No |
| Final fitment check | Verify bolt pattern, mounting depth, rear clearance, grille/trim clearance and wiring access |
More SMS Precision 3D-Printed Speaker Adapters & Spacers
Need adapters for another door, dash, tweeter or speaker size? Shop our dedicated speaker adapter and spacer collection. Check the exact vehicle, factory audio system and speaker dimensions on each listing before ordering.



