UPDATE: Test speaker build. From ???? to open-baffle (not pictured) to speakerboxxx. Thanks to the r/diyaudio community for giving me useful guidance and advice and not just laughing at my silly design (
betsy plus 15's idea.......... | Open baffle speakers, Open baffle, Diy audio projects
Open baffle speakers - anyone built some? | pink fish media
Prototyping a 4-way open-baffle speaker with the miniDSP 2×4
Hybrid Open Baffle Bookshelf | Parts Express Project Gallery