Party loud, party long

Got big plans that need big sound? The JBL PartyBox 520 sets the perfect mood. It features a vibey light show and bold, thumping sound. This is our largest, most powerful sound yet. New AI Sound Boost tech powers the audio. This tech helps get everyone moving and shaking.

Our sound is heavy, but the speaker is easy to move. Set up easily in the backyard or by the pool. It is ready for whatever location your friend picks. The PartyBox 520 has a grippy handle and wide wheels. It is always ready to roll when you are.

Enjoy up to 15 hours of playtime. You can host multiple parties before recharging. Don’t worry about any splashes or spills either. This speaker is built to withstand rough parties. What’s better than one PartyBox 520? Two, three, or even more speakers! Pair them up to take the party up a notch. Link with other Auracast™-enabled JBL speakers wirelessly.

Electrifying sound with AI Sound Boost

Powerful sound to make your playlist shine. This sound is made to match your energy, so you feel like you’re hearing each song performed live. Turn it up louder and your music will still sound great, as our new proprietary tech, AI Sound Boost analyzes your music in realtime to deliver maximum acoustic performance with less distortion.

Futuristic lightshow

Did someone say lightshow? Dance the night away with glowing light patterns and strobe effects that make any event a whole mood.

Up to 15 hours of play time

Keep the good vibes going on a single charge with up to 15 hours play time. And if 15 hours of nonstop jams isn’t enough, simply swap out the replaceable battery to keep the music going. Or charge for 10 minutes and get an extra 2 hours of play time. *Additional replaceable battery sold separately.