Transmission Line speaker 3D print model
Transmission Line speaker for 1 inch speaker, the hole for the speaker is 47mm and is scale it up around 40% 2 inch will fit. The transmission line box in this size is set to around 200hz when scale it up to 2 inch it will be set to around 120hz that will be amplified. Cable holes is in the cad.
For best sound experience add little cotton right back the speaker in the box.