With respect to overall sound, you really can't go wrong with either speaker, though the Megaboom 3 does have a more polished mid- to high end sound. It will drain the speaker's battery, thus shortening play time considerably, but if you only need to play for a couple hours and your phone's going to die, it's totally worth it.ДЇor $50 less than the Megaboom 3, the JBL Charge 4's features outweigh any minor shortcomings it may have. Where the Charge 4 pulls ahead in terms of features is with its ability to charge your phone via USB while you listen to music. The Megaboom 3 has a rating of 6, which means it's fully protected from dust ingression, while the Charge 4 has an X rating, which means that it's unknown as to how well-protected the speaker is from dust. The difference, however, is likely to be negligible for most people.Д«oth speakers feature water resistance that allows for submersion in up to 3 feet of water for up to 30 minutes, though the key difference is in dust protection. Where the Megaboom 3 shines over the Charge 4 is in the mid- to high end, where vocals are a little cleaner and crisp. In terms of overall power, the Megaboom 3 and Charge 4 are rivals - they're nearly identical. It's just that one of them is $50 cheaper. Despite coming from different manufacturers, the Megaboom 3 and Charge 4 are surprisingly similar, with large frequency ranges, water resistance, the ability to pair with dozens of other speakers, and more.

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