Ultimate Ears MEGABOOM 3 vs TREBLAB HD77

The Ultimate Ears MEGABOOM 3 is a better speaker than the TREBLAB HD77 overall. The Ultimate Ears is better built and features a graphic EQ and presets you can use to customize its sound to your liking. It can get a bit louder, with less compression present at max volume, so audio sounds cleaner at louder volumes. It also has an incredible battery life of over 17 hours, though this can vary depending on your usage. That said, the TREBLAB is a bit smaller in size, making it more portable. You can also wire your devices to the speaker via its AUX input.