JBL PartyBox 520 represents the pinnacle of portable party audio technology, delivering 400 watts of pure sound energy that transforms any gathering into an unforgettable experience. This speaker doesn't just play music—it creates moments that bring people together through rich, clear audio that fills every corner of your space. The JBL PartyBox 520 combines something as rare as sound quality with quantity, offering the most focused sound reproduction heard in a party speaker to date. Whether you're hosting friends in your backyard, celebrating by the pool, or taking the entertainment to unexpected locations, this speaker handles every challenge with grace.

The JBL PartyBox 520 fills the gap between smaller portable speakers and massive stationary units, offering serious power in a design that's still manageable to transport. With up to 15 hours of playtime on a single charge and IPX4 splash-proof protection, you can host multiple parties before needing a recharge while staying protected from spills and splashes. The speaker's thoughtful design includes a telescopic handle and wide wheels that make moving this powerhouse feel effortless, even when you're setting up in challenging locations.

The JBL PartyBox 520 introduces AI Sound Boost technology that analyzes audio in real-time to optimize acoustic output, leading to more powerful and less distorted sound. Connect multiple speakers via Auracast for true stereo sound, or link with other JBL-enabled speakers to create a wireless audio network that grows with your party size. This isn't just about volume—it's about creating an audio experience that makes every song feel like a live performance, ensuring your guests feel the music as much as they hear it.