I love when my hobbies overlap. I 3D printed some speaker adapters to fit better with my flat door cards. : r/Miata
Amazon.com: NuIth Aftermarket Door Speaker Wiring Adapter Compatible with 1989-2010 Ford F150, Lincoln Town Car Mazda Miata, Mercury Cougar 4 PCS Speaker Wire Harness Adapter Connector Plug : Electronics
Amazon.com: NuIth Speaker Wiring Harness Adapter 72-5512 Connector for 1989-2010 Ford F150, Lincoln Town Car Mazda Miata, Mercury Cougar Vehicles Aftermarket Door Speaker Wire Plug Replacement : Electronics
Door Speaker install in NB2 Miata - YouTube
Custom Speaker Adapters - Compatible with 2005-2022 Chevrolet Corvette – Sounds Good Stereo Online