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JBL

JBL PartyBox 520

Name: JBL PartyBox 520
Brand: JBL
SKU: B0F83CBG9Z

Current price · Amazon US

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Key specs

Battery

Battery Life Wireless: 15 h
Charging Method: USB-C

Build

IP Rating: IPX4

Connectivity

Connection Type: Bluetooth, wired-aux-3.5mm, wired-xlr, usb
Multi Speaker Chain: Yes
Stereo Pairing: Yes

Design

Dimensions Depth: 769 mm
Dimensions Height: 415 mm
Dimensions Width: 369 mm
Carry Strap: Yes
Is Portable: Yes
Power Source: Rechargeable battery
Weight: 25500 g

Features

Companion App: IOS + Android
Speakerphone: No

Sound

Total Power Output: 400 W

SoundGuys review

SOUNDGUYS rating

7.8/ 10

Recommended

Reviewed byDave CarrVideo Producer/WriterReviewed July 2025

Connectivity8.5

Design7.5

Portability7.0

Features9.0

Value7.0

The verdict

The JBL PartyBox 520 is a beast of a speaker. With dual XLR and 1/4-inch combo jacks plus audio over USB-C, there are more ways than ever to connect. Add in 400 watts of power and a customizable light show, and you’ve got a speaker that can boost the vibe at any party, indoors or out.

✓Liked: 400W, Dual 1/4" - XLR combo jacks, Audio over USB-C, PartyBox App support

✕Could be better: Heavy, Expensive, Loose rear input cover, Needs side handles

Read the full SoundGuys review →

Owners

How we verify owners

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Own the JBL PartyBox 520?

Three answers, four quick reads, one sentence nobody tells you before buying. Shown under a pseudonym.