How long does the battery last?

JBL rates it at up to 15 hours of playtime. Expect less at high volume with the light show running.

Can I link two PartyBox 520s together?

Yes. You can pair multiple PartyBox 520 units or link with other JBL Auracast-enabled speakers for wider sound.

JBL says it is designed to withstand splashes and spills, so it handles poolside and party conditions. It is not described as fully submersible.

How do I move it around?

It has wide wheels and a grippy handle, so you roll it rather than carry it. That matters given its size and weight.

What is AI Sound Boost?

It is JBL's processing that pushes the speaker's output and bass further. It is the main sound feature distinguishing this model.

People hosting outdoor parties, tailgates or pool days who want loud, bass-forward sound and don't want to be tied to an outlet.

JBL PartyBox 520 Portable battery-powered party speaker

Best price now

$642.36at WalmartChecked Nov 10

Prices are checked against each store and labelled with when.

Visit Walmart

JBL PartyBox 520 Portable battery-powered party speaker

Best price now

$642.36at WalmartChecked Nov 10

Prices are checked against each store and labelled with when.

Visit Walmart

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Price facts

Last seen at $642.36 at Walmart on Nov 10.

Our take on the JBL PartyBox 520 Portable battery-powered party speaker

The JBL PartyBox 520 is a large, battery-powered party speaker with wheels and a telescoping-style grippy handle for rolling it between rooms, patios and yards. It pairs a built-in light show with JBL's AI Sound Boost processing and up to 15 hours of playtime, and it is built to shrug off splashes and spills. It suits people hosting backyard parties, poolside gatherings or tailgates who want loud, bass-forward sound without a wall outlet. Against smaller party speakers it trades portability for volume and low-end punch; against the biggest plug-in PartyBox models it gives up some raw output in exchange for battery freedom.

Best forBackyard and poolside partiesTailgates and outdoor gatheringsHosts who want a light show built inBuyers wanting battery power in a big speaker

Pros

Big, bass-heavy JBL sound with AI Sound Boost
Up to 15 hours of playtime per charge
Wheels and a grippy handle make it rollable
Splash- and spill-resistant build for outdoor use
Light show synced to the music
Auracast and multi-speaker pairing for bigger setups

Cons

Large and heavy despite the wheels
Loud output may be too much for small rooms or apartments
Light show and bass boost drain battery faster
No wired power option mentioned for all-night use

JBL PartyBox 520 Portable battery-powered party speaker prices at every store

WalmartNew
In stockSold by VF DISTRIBUTORSReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
$642.36Checked Nov 10
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About the JBL PartyBox 520 Portable battery-powered party speaker

The JBL PartyBox 520 is a portable, battery-powered party speaker with a built-in lightshow. It uses AI Sound Boost technology to deliver loud, thumping sound.

It has a grippy handle and wide wheels for moving it between spots such as a backyard or poolside. The speaker is designed to withstand splashes and spills. Battery life is up to 15 hours of playtime.

Two or more PartyBox 520 speakers can be paired together. It can also link with other JBL Auracast-enabled speakers.

Color: Black
Power: Battery-powered, up to 15 hours of playtime
Sound: AI Sound Boost technology
Lighting: Built-in lightshow
Portability: Grippy handle and wide wheels
Water resistance: Designed to withstand splashes and spills
Connectivity: Pairs with other PartyBox 520 speakers and links with JBL Auracast-enabled speakers

Specifications

color: BlackSource

Questions and answers

How long does the battery last?: JBL rates it at up to 15 hours of playtime. Expect less at high volume with the light show running.
Can I link two PartyBox 520s together?: Yes. You can pair multiple PartyBox 520 units or link with other JBL Auracast-enabled speakers for wider sound.
Is it waterproof?: JBL says it is designed to withstand splashes and spills, so it handles poolside and party conditions. It is not described as fully submersible.
How do I move it around?: It has wide wheels and a grippy handle, so you roll it rather than carry it. That matters given its size and weight.
What is AI Sound Boost?: It is JBL's processing that pushes the speaker's output and bass further. It is the main sound feature distinguishing this model.
Who is it for?: People hosting outdoor parties, tailgates or pool days who want loud, bass-forward sound and don't want to be tied to an outlet.
Where is the JBL PartyBox 520 Portable battery-powered party speaker cheapest?: At Walmart, for $642.36, as of our latest check.
What do buyers say about the JBL PartyBox 520 Portable battery-powered party speaker?: Rated 3.5 out of 5 from 2 ratings.