Bose Soundtouch 20 vs. 30 - Wired Beaver
https://www.wiredbeaver.com/bose-soundtouch-20-vs-3010.03.2020 · Sound Quality – When it comes to the sound quality itself, Soundtouch 30 offers a louder sound with improved lower frequencies due to its woofer, which the previous model lacks. Design – In terms of the design, Bose Soundtouch 20 is a little smaller and can be easily stowed away weighing at only 7 pounds, compared to the heftier 26 pounds of Soundtouch 30.