DIY Bluetooth speaker (Pioneer TS 2503i)

The column is assembled to order, the customer will do the finishing himself. The body is assembled from 15mm plywood, the tuning of the phase inverters is 45Hz. Components: Amplifier https://aliexpress.ru/item/1005001896107710.html?_ga=2.49941734.1149545406.1644996056-1692750627.1617442303&_gac=1.219594219.1641889452.Cj0KCQiA8vSOBhCkARIsAGdp6RTCFRHjBFjHYAiFU1ShWmxjcv9IMEYeB8lWmSP3PFTE4ZVeDyc3HrgaApKUEALw_wcB&sku_id=12000018059291983&spm=a2g39.orderlist.0.0.258c4aa6Dqa2jc 18650 https://aliexpress.ru/item/32809175063.html?_ga=2.206243923.1149545406.1644996056-1692750627.1617442303&_gac=1.60324319.1641889452.Cj0KCQiA8vSOBhCkARIsAGdp6RTCFRHjBFjHYAiFU1ShWmxjcv9IMEYeB8lWmSP3PFTE4ZVeDyc3HrgaApKUEALw_wcB&sku_id=65249265940&spm=a2g39.orderlist.0.0.258c4aa6Dqa2jc Boost converter https://aliexpress.ru/item/33054866130.html?_ga=2.140643186.1149545406.1644996056-1692750627.1617442303&_gac=1.156774857.1641889452.Cj0KCQiA8vSOBhCkARIsAGdp6RTCFRHjBFjHYAiFU1ShWmxjcv9IMEYeB8lWmSP3PFTE4ZVeDyc3HrgaApKUEALw_wcB&sku_id=67521196630&spm=a2g39.orderlist.0.0.258c4aa6ljJmX7 BMS with balance https://aliexpress.ru/item/4000073220358.html?_ga=2.242297794.1149545406.1644996056-1692750627.1617442303&_gac=1.57495896.1641889452.Cj0KCQiA8vSOBhCkARIsAGdp6RTCFRHjBFjHYAiFU1ShWmxjcv9IMEYeB8lWmSP3PFTE4ZVeDyc3HrgaApKUEALw_wcB&sku_id=10000000191015374&spm=a2g39.orderlist.0.0.258c4aa6ljJmX7