4" Back Horn Speaker V2.0 - Bluetooth, Active, Passive 3D printable model by guppyk2

4" Back Horn Speaker V2.0 - Bluetooth, Active, Passive

Source: Thingiverse by guppyk2

The 4" Back Horn Speaker V2.0 - Bluetooth, Active, Passive is a free printable 3D model from Thingiverse by guppyk2. The full set of stereo components (and plenty of other stuff): UPDATE 19Feb20: The new isobaric subwoofer is now online: So here it is, the 4" version of the back horn speaker. You can download the STL file from the original listing below and print it at home.

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4,698 saves Source: Thingiverse Updated 2026-09-06

Tags: 4", Back, Horn, Speaker, V2.0, -, Bluetooth, Active, Passive

About this model

The full set of stereo components (and plenty of other stuff): UPDATE 19Feb20: The new isobaric subwoofer is now online: So here it is, the 4" version of the back horn speaker V2.0: This design is largely identical with the original design but with a few improvements/changes: - The speaker is now designed for a 4" (10 cm) driver (rather than the original 3 - 3.3") - Some minor changes to the internal body design (more rounded corners etc.) - The side panels are now easier to mount (thanks to pins on the panels that fit corresponding holes in the body) - New speaker ring, which allows for mounting the driver from the outside (makes changes at a later stage easier) Ideally use in a 2.1 setup. Currently working on a fully printable subwoofer (UPDATE 10Feb21: Subwoofer is almost done, expect p…

Frequently asked questions

Is this 3D model free to download?
Yes. 4" Back Horn Speaker V2.0 - Bluetooth, Active, Passive is free to download from Thingiverse. Open it in the free Thinger app, or use the "Download from Thingiverse" link above to open the original listing.
Where is the STL hosted?
The download is hosted by Thingiverse, not by Thinger. We link you directly to the original listing by guppyk2.
Who made this model?
Designed by guppyk2, published on Thingiverse. Please credit the creator when sharing your print online.
Can I print this at home?
Yes. This model is intended for home FDM and resin 3D printers. Check the original listing for suggested print settings like layer height and supports.

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