Now even though the JBL Flip 6 isn’t a HUGE upgrade from the JBL Flip 5… the additional tweeter on the Flip 6 does help it sound more open. And in general… tweeters on a portable 20 watt bluetooth speaker are pretty rare. But today we’re going to compare the Flip 6 to two very popular 20 watt speakers. First there’s the Bose Soundlink flex which is just universally loved right now… and then there’s the Sony XB23… which is a really good budget option. But nonetheless… lets see which ones right for you.