Megaboom 3. It also sounds better at higher volumes. The Megaboom 3 has nicely balanced bass mid and treble tones.
Ultimate Ears Megaboom 3 Night Black Portable 360 Bluetooth Waterproof Speaker 984-001390. They both are perfectly competitive with each other with excellent bass and all other features. The UE Megaboom 3 is an iteration on an already great speaker with small refinements across the board making it the best waterproof speaker UE.
POWER ON THE SPEAKER.
And its all meticulously balanced so you hear every note. The Ultimate Ears MEGABOOM 3 is a portable Bluetooth speaker. It can be paired with multiple other Megabooms or other Ultimate Ears devices to create expansive soundscapes. Its sound profile is boomy overall though it struggles to produce low-bass.