Diy speaker

Hi guys, I have this audio system in my house for years and it's compatible only for USB jack, old iPod jack or CD. Since all of these inputs are old and not compatible with youtube music I thought I can try and make something out of this 500 $ system (at the time).... I opened up the box and...

My question is, if I take apart my old sound bar and Logitech sub woofer build a cabinet for then could the sound end up better because of the larger cabinet?