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Here comes the second part of a DIY column! It sounds (honestly) better than I expected. And 3+3W power is more than enough for such a column. There is a passive radiator on the back panel that resonates at 50 Hz and increases the audible low frequencies. On the front, in addition to the two main speakers, a high-frequency radiator is installed in the center. It allows the column to produce a cleaner sound.
Details from the release:
► 3D model of the project: https://www.tinkercad.com/things/hYkSkuoIiug
► Battery: http://ali.ski/tJ4vw9 http://ali.ski/Rqggs
► Button: http://ali.ski/6QEjO http://ali.ski/sd7lb
► BMS board with balancing: http://ali.ski/bWR1jn http://ali.ski/SGhbIU
► DC converter: http://ali.ski/oHhat http://ali.ski/CPsiIK
► Speakers: http://ali.ski/MCxj8H http://ali.ski/xl3dUc http://fas.st/C-Huf
► Twitter: http://ali.ski/mxajFi http://ali.ski/sChZeJ
► Amplifier 3w: http://ali.ski/5idVTL
► Amplifier 5w: http://ali.ski/PWUWjw
► 3D model of the project: https://www.tinkercad.com/things/hYkSkuoIiug
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