JBL - Partybox 520 Portable Wireless Party Speaker - 2025 - Black
Customers are saying
Customers enjoy the amazing sound quality provided by this speaker, which many users find to be a standout feature. Additionally, the device is highly praised for its impressive portability and long-lasting battery life. Users also appreciate the convenient connectivity options that allow the speaker to link seamlessly with other units.
Features
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, wimplay swap out the replaceable battery* to keep the music going. Or charge for 10 minutes and get an extra 2 hours of play time.
Multi-speaker connection by Auracast
Bigger parties call for even bigger sound. Pair two PartyBox 520s for true stereo vibes via Auracast, or connect multiple JBL Auracast-enabled speakers wirelessly and let your music grow with your party size.
Control your party, right from the JBL PartyBox app
Don't feel stuck on speaker babysitting duty. Control your music, EQ settings, and lightshow from the JBL PartyBox app, wherever the party takes you.
Telescopic handle and wide sturdy wheels
Wherever you go the JBL PartyBox 520 is ready for action with a handle that can extend and rolly wheels for a smooth ride.
IPX4 Splash proof
Spills and splashes happen…don't sweat the mess. The JBL PartyBox 520 is IPX4 splash proof so your flow is never interrupted.
Seamless high-quality audio connectivity
Use the USB-C to connect to your fave streaming or karaoke app with high quality audio, so everyone can get their groove on.
Easy connection to mic, guitar or DJ console with two XLR inputs
Bring live talent into the mix. Connect a microphone, guitar or DJ console with two XLR inputs, easily to your PartyBox 520.
Recycled plastic plus FSC certified paper packaging
The JBL PartyBox 520 incorporates post-consumer recycled plastic. It's also packaged in FSC-certified paper printed with soy ink.
Specifications
- Speaker PairingYesWirelessYesRechargeableYesUSB Device ChargingYes
Reviews
Rating 4.8 out of 5 stars with 35 reviews
- Sound Quality (24)
- Portability (10)
- Battery Life (8)
- Connectivity (4)
Customer Images
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
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Got big plans that call for big sound? The JBL PartyBox 520 knows how to set the mood with a vibey lightshow and our biggest, boldest, thumping sound yet, powered by the all new AI Sound Boost tech to help get everyone moving and shaking. Our sound might be heavy but this speaker is easy to move, whether we're setting up in the backyard, by the pool, or that place where our friend just dropped a pin. Every move is smooth with the PartyBox 520's grippy handle and wide wheels that are ready to roll when you are. With up to 15 hours of playtime, you can host multiple parties before it's time for a recharge. And don't worry about any splashes or spills, this speaker is designed to withstand the most raucous parties - fouls and all. What’s better than one JBL PartyBox 520? Two or three or more! Pair them up or link with other JBL Auracast-enabled speakers and take the party up a notch.

The splashproof PartyBox 710 transforms your next event into a real party, concert or nightclub. With its unique and colorful light show synced to JBL Original Pro Sound. Top panel controls and the PartyBox App let you create next-level musical and visual experiences. Customizing both the flashing, strobe lights and the amazing sound from the dual set of tweeters and bass-rich woofers. One-button True Wireless Sound instantly pairs two PartyBox 710s for an even bigger crowd. And with an easy-to-grip handle and robust wheels, you can keep the good times rolling wherever the party goes.

The life of every party. We bring peak party energy wherever we go with the JBL PartyBox 720. Superior JBL Pro Sound, deep precise bass that hits just right, and a lightshow that goes all in—starry lights, flowing trails, and pulsing strobes. It may be big, but it’s built to roll, with a comfy handle, smooth wide wheels, and a splashproof design that can handle a little poolside action. The swappable batteries (sold separately) gives us up to 15 hours of playtime— perfect for off-the-grid parties. Still going strong? Swap in a fresh battery and keep the music alive. We can stereo pair two 720s or wirelessly link up multiple JBL Auracast-enabled speakers for even more sound. And whether we’re streaming, singing karaoke, or plugging in mics and gear, the USB port and dual XLR inputs have us covered.

The JBL PartyBox Ultimate fills as much space as you’ve got with superior Original JBL Pro Sound, boosted with an immersive Dolby Atmos experience over Wi-Fi. Because everyone at a party loves powerful sound whether they're showing out on the dance floor or vibing on the sidelines. Along with sound that's crystal clear even at its loudest, your guests will thrill to a huge, breathtaking lightshow of captivating starry lights, cool light trails, and strobe effects, all moving in sync with your beat. Make it simple by streaming your favorite party playlist. Even take the stage, with inputs for two mics and a guitar. No matter how things unfold, you can create your own party flow using the fun interactive effects of the JBL PartyPad. Planning something even bigger? Turn your party into a full-on event. Wireless pairing and multi-speaker connection are easy to set up and customize using the JBL One app. The splash-proof JBL PartyBox Ultimate is self-tuning, it's going to sound its best no matter where you set it up. Think of the most supreme party ever—and then go bigger. That's what the JBL PartyBox Ultimate was made for.
| Pros for JBL - Partybox 520 Portable Wireless Party Speaker - 2025 - Black | |||
|---|---|---|---|
| Sound Quality, Portability, Battery Life, Connectivity | Sound Quality, Bass, Volume, Portability, Lights | Sound Quality, Battery Life, Portability, Connectivity, Volume Level | Sound Quality, Bass, Portability, Volume, Light Show |
| Cons for JBL - Partybox 520 Portable Wireless Party Speaker - 2025 - Black | |||
| There were no cons for this product— | Weight, Battery Life | Weight | There were no cons for this product— |

































































