Found a good solution for now. Bought a $10 set on Marketplace to test and they are much better than the Echo for binaural and sleep sounds. Also the volume control is more convenient. I will probably try a set with a woofer later.

Thanks for the replies.

https://www.amazon.com/Logitech-Compact-Stereo-Speakers-3-5mm/dp/B079ZLDLRY/ref=sr\_1\_6?crid=29BRNZE6OUN7&keywords=Logitech+Z130&qid=1682703533&sprefix=logitech+z130%2Caps%2C377&sr=8-6