A:AnswerNothing...it’s a gimmick and does nothing but make the speaker sound hollow. Check out Jim’s Reviews on YouTube for an in depth reviewing on sound and features.
A:AnswerI’m not certain the actual amount of watts the bass amp has on this small portable speaker system but it does sound like or louder than other speakers I have heard with 80 to 150 watts. The bass is loud and clear on these units.
It’s great little speaker
A:AnswerHi buyer, Yes, it can be connected to an Echo Dot. You may refer to this link for more information:
https://www.sony.com/electronics/support/portable-speakers-srs-series/srs-xb41/articles/00170259
~Ralph
A:AnswerHello NattyDredd, if you're referring to the power output, it's 15 watts per channel. Kindly check the link below for reference:
https://www.sony.com/electronics/support/res/manuals/4734/9b8217223404d2085ba782a29f2ec88f/47340411M.pdf
Regards, _Bob
A:AnswerHi bvam, the wireless party chain is compatible with the following speakers:
SRS-XB21, SRS-XB31, SRS-XB41, SRS-XB20, SRS-XB30, SRS-XB40, GTK-XB60, GTK-XB90. For more details, please check the Help Guide: https://helpguide.sony.net/speaker/srs-xb41/v1/en/contents/TP0001604378.html?search=party
Regards, Erin