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2015 Spark 4x6 Rear Speaker Adaptor to 5x7 preview

Files (5)

4x6_adapter-1-02-5-25-18.STL
STL
271.5 KB
4x6_adapter-1-5-25-18.STL
STL
275.6 KB
4x6_adapter-2-02-5-25-18.STL
STL
232.0 KB
4x6_adapter-2-5-25-18.STL
STL
234.2 KB
4x6_adapter_full.STL
STL
509.9 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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Interior

2015 Spark 4x6 Rear Speaker Adaptor to 5x7

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License & use

CC BY
Commercial use allowed
Attribution required

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.

JD

Description

To adapt your rear speakers from the 4x6 small ones and put a larger 5x7 in their place. Mirror for opposite side. Designed for Phoenix Gold SX57CX speakers (Great Speakers, worth the $$). May want to reduce flange cut depth from 3mm to 1.5mm, Size is 200mm x 146mm x 31.75mm. Will fit on 165mm X 145mm bed if you use the split in half version and use 4x 1/8 diameter pins and epoxy parts together. Original solid works file included for customization. Probably best to pick a black or gray material.

Compatible Vehicles

Updated Sep 14, 2026

Originally published on thingiverse.com by John Dymesich (johnnyEV) · License: CC BY

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