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Audi B5 S4 Front Speaker Bracket / Adapter

Audi B5 S4 Front Speaker Bracket / Adapter preview

Files (2)

B5_S4_Speaker_Bracket_Adaptor.stl
STL
402.9 KBPrimary file
B5_S4_Speaker_Bracket_Adaptor_Seal.stl
STL
417.6 KB

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PETG filamentAmazon · Affiliate linkAmazon product page for 1.75 mm PETG; confirm colour, spool size, print temperature, seller, and delivery region.Check price at Amazon
ASA filamentAmazon · Affiliate linkAmazon product page for 1.75 mm ASA; use an enclosure and suitable ventilation, and confirm seller and regional availability.Check price at Amazon

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CC BY
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The file license permits commercial reuse, subject to any applicable attribution or share-alike terms. License status does not verify vehicle fitment, OEM rights, design patents, or safety.

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Michael Chen
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Description

This bracket was designed for a friends Audi B5 S4 Bose door speakers, this is for the front left door mounted speaker (mirror the model for the right side). The adapter allows a replacement speaker with a standard mounting method to be fitted. I do not know if this would fit a normal A4 or one without the Bose Speakers. I also do not know if there were any regional differences. The stock speakers use a propriety mounting system which wont take any standard size speakers. The speakers this was designed for can be seen here: The dimensions of the speaker fitment can be seen in the images. The groove in the face which touches the door card is designed for the TPU insert to prevent rattles, this could probably also just be filled with silicone or resin.

Compatible Vehicles

Published Mar 8, 2026Updated Oct 30, 2026

Originally published on thingiverse.com · License: CC BY

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