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Bluetooth Speaker
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PETG
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68.5 h
8 plates
Open in Bambu Studio
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Description
High-Performance DIY Bluetooth Speaker
A robust, bolt-together Bluetooth speaker designed for maximum customization and great acoustics. This design features dual 3" subwoofers, dual 3/4" tweeters, and dual 3" passive radiators powered by the popular ZK-MT21 amplifier.
Features
- Bolt-Together Assembly: No fragile plastic clips. Designed with robust M3 hardware connections. (Note: Only the 4 corner caps require glue).
- Two Handle Options: Includes a solid bolt-on handle and a customizable accent handle designed to wrap a strand of filament around for a unique "electrified" industrial look.
- STEP Files Included: Fully open for customization. Modify the mounting plates, adjust the footprint, or adapt it to your own hardware easily.
Bill of Materials (BOM)
| Qty | Item | Source Link |
|---|---|---|
| 2 | Dayton Audio ND20FB-4 3/4" Tweeter (Rear Mount) | Dayton Audio |
| 2 | 3" Passive Radiators | AliExpress |
| 2 | 3" Subwoofers / Drivers | AliExpress |
| 1 | ZK-MT21 Bluetooth Amplifier Board | AliExpress |
| - | Hookup Wire | AliExpress |
| 20 | M3 Nuts | AliExpress |
| 16 | M3 x 10mm Bolts | AliExpress |
| 20 | M3 x 16mm Bolts | AliExpress |
Important Assembly Notes
- Tweeters: These are rear-mount only.
- Amplifier Fitment: The housing is specifically dimensioned for the linked MT21 board. Do not substitute unless the alternative share the exact same physical footprint.
- Alternate Drivers: You can swap the 3" main drivers with any speaker that fits the physical housing dimensions.
- Corner Caps: Require a small dab of super glue or hot glue to secure.
License & Terms
- Personal Use Only: Commercial distribution or sale of this model (digital or physical) is strictly prohibited without my explicit permission.
License
This user content is licensed under a Standard Digital File License.
You shall not share, sub-license, sell, rent, host, transfer, or distribute in any way the digital or 3D printed versions of this object, nor any other derivative work of this object in its digital or physical format (including - but not limited to - remixes of this object, and hosting on other digital platforms). The objects may not be used without permission in any way whatsoever in which you charge money, or collect fees.
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