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Fiat 500 Door Speaker Adapter - image

Files (1)

fiat_500_door_speaker.stl
STL
583.5 KB
Print guidance estimate
Estimated from part metadata
Print cost & setup estimate
Planning numbers for filament, cost, time, and setup. Treat them as estimates until you confirm the file in your slicer.
1 model file
Recommended kit
24g

Based on 25% main infill across listed model files

Material cost
$0.59

Filament only at roughly $24/kg PETG / ASA

Print time
42m–1.2h

Uses 70 mm/s, 0.2 mm layers; verify supports in slicer

STL fileRoleSource sizePETG / ASA 20%PETG / ASA 25%100% solidRecommendation
fiat_500_door_speaker.stlPrimary model583.5 KB STL
22g
$0.54
24g
$0.59
54g
$1.28
Ensure a strong bond between the adapter and the door for secure speaker mounting

Saved setup guidance is used for material, infill, support, and per-file recommendation text; editable numbers are planning estimates only.

Door Panels

Fiat 500 Door Speaker Adapter

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Description

This is a simple bracket that will mount a 6.5" speaker in a Fiat 500 door. Below are some caveats about this install specific to the Fiat. * The stock speakers have rivets that must be drilled out. * There is no way to get behind the speaker without removing the vapor barrier. The mount as pictured was bolted in place; this install process will require getting behind the vapor barrier. Another solution I'm looking into is installing rivet nuts so the speaker can be accessed simply by removing the door panel. * The wires to the speaker come from the front; I did not accommodate for this in my design. * Some of the four inner bolts have metal behind them. * Stock speakers in the Fiat are very efficient; I wouldn't recommend replacing them without being prepared to get a new amp as well. * In my install I sealed the door to make it behave more like a speaker box. This dramatically increased the bass from the doors but I have developed a rattle already. I will update this if I have to alter the design.

Compatible Cars

Updated Jul 18, 2026

Originally published on thingiverse.com by Aaron (RedWagon) · License: CC BY

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