Big Sound. All Night. Anywhere. Planning a party that needs serious sound? The JBL PartyBox 520 brings the energy with bold, booming audio powered by next-gen AI Sound Boost and a dynamic lightshow that sets the perfect vibe. Whether you're lighting up the backyard, poolside, or chasing the next pin drop, this speaker is built to bring the party wherever you go. Despite its powerful output, the PartyBox 520 is made to move—thanks to a sturdy handle and smooth-rolling wheels that make transport a breeze. With up to 15 hours of playtime, you’ll have music for hours before it’s time to plug in. And with a splash-resistant design, it’s ready to handle spills, splashes, and full-throttle fun. Want to go even bigger? Easily pair with other JBL Auracast™-enabled speakers to multiply the sound—and the hype. With the JBL PartyBox 520, the party doesn’t just start. It never stops.
