Specs taken from official websites and as usual, edifier have a total non-sense attitude towards running their websites. Mixed specs on different sites.
Lets see.
Sony's woofer: 20W, 115mm or 4.5" and enclosure dimension are (WxHxD) 193×243×233 mm.
Edifier's woofer: 14W, 166mm or 6.5" and...