18v PCV pipe bluetooth speaker

Things needed:
- SB Acoustics SB16PFCR25-4 COAX
- Crossover STX 2D-12-4/4
- AIYIMA Bluetooth 5.2 amplifier - https://pl.aliexpress.com/item/1005001596553109.html?spm=a2g0o.order_list.order_list_main.5.15651c24ca2J8F&gatewayAdapt=glo2pol
- Dedra battery slot insert
- Dedra battery 18v
- 500mm ∅200x3.9 pvc pipe
- 6x 3x12 screw
- 2x 3x25 screw
- 4x 3x35 screw
- 4x m5 threaded insert
- 4x m5x15 allen bolt
- 8x m5 nut
- 4x m5x100 allen bolt
- 4x m5x35 allen bolt
- 4x m3 nut
- 4x m3x50 allen bolt

Inserts and outer rings i have glued with silicone. Battery slot sealed with hot glue and acoustic foam tape.