Toyota Supra Mk4 front speaker adaptor - image

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Door Panels

Toyota Supra Mk4 front speaker adaptor

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Description

This adaptor makes it posible to mount a 4" speaker in the 3point mountings holes without modifi the speaker box. This design is made for the Alpine SPG-10C2 speaker, maybe it fits other speakers also. 4x3mm screws is needed to hold the speaker in place NOTE: This design has not been verified in a car with doorcards mounted yet.

Compatible Cars

Toyota Supra

Published Jun 28, 2026Updated Jul 15, 2026

Originally published on thingiverse.com by Jesper Christensen (daddy-jz) · License: CC BY-NC-SA

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