Électronique

3D Models for Bluetooth MP3 Speaker Builds and Cases

This collection gathers 3D-printable parts for Bluetooth and MP3 speaker projects: horn enclosures, compact portable cases, subwoofer boxes and housings for amp or decoder boards. Most files are meant to be combined with a driver, a board and a battery, so the printed part is only one step of the build. It is useful if you already have a 3D printer and want to adapt a speaker layout to the parts you own. Polyzon does not confirm whether models are free, their price, license, official status, affiliation, safety or fitness. Check the current terms at the source.

Le texte de cette collection est rédigé en anglais ; la recherche, elle, fonctionne dans toutes les langues.

Une collection Polyzon · 48 modèles sur 9 plateformes

Comment cette collection est composée

Polyzon compose cette collection à partir des résultats de recherche des plateformes connectées. Les doublons et les modèles sans aperçu sont retirés, les correspondances faibles sont placées à la fin, et le reste suit l’ordre de la recherche. Les modèles appartiennent à leurs auteurs : consultez les conditions sur la page de chaque modèle.

Règles de sélection : la rédaction de Polyzon · Texte mis à jour le 11/10/2026

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«3D Models for Bluetooth MP3 Speaker Builds and Cases»

The designs differ mainly in acoustic approach. Back-loaded horn and transmission-line shapes are large, multi-part prints that aim at a specific bass response, while compact cases and stands are smaller shells built around an existing portable speaker or a single full-range driver. Subwoofer enclosures sit in between: they are usually bigger than a desktop case and often use thicker walls and internal bracing.

Before printing, read what the author lists on the model page: driver diameter and cutout size, internal volume, wall thickness, number of parts and how they join, and whether supports are needed for overhangs or internal channels. Check the material and settings the author mentions, since large enclosures are often printed in PETG or PLA with several perimeters to keep the walls stiff, and look at photos of real prints to judge surface finish and fit.

If the results are too narrow, try related terms. Searching for speaker enclosure, horn, subwoofer box, driver mount, amplifier case or decoder board housing brings up different families of models, and adding a driver size such as 3 inch or 4 inch narrows the list further. You can also search by the part you need — baffle, port, grille, stand or battery holder — instead of the whole speaker.

FAQ

Questions fréquentes

What do I need besides the printed parts?
A driver, an amplifier or Bluetooth board, a power source and wiring. Many model pages describe which board or driver size the enclosure was drawn around, so match those dimensions first.
Which filament works for speaker enclosures?
Rigid materials such as PLA or PETG are common, with several perimeters for stiff walls. The author's page usually states the material and layer settings used for the shown print.
Do horn enclosures need supports?
It depends on the orientation and the internal geometry. Check the model page and the print photos for overhangs, and split large horns into sections if the author designed them that way.
How do I find a case for a specific speaker size?
Search by driver diameter, for example 3 inch or 4 inch full range, and add words like enclosure, baffle or case. Compare the cutout and internal volume with your driver's data.
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