Party Loud, Party Long

Got big plans that call for big sound? The JBL PartyBox 520 delivers our boldest, deepest, most powerful audio yet—complete with a vibey lightshow and next-gen AI Sound Boost technology that keeps everyone dancing. Despite its massive sound, it’s easy to move thanks to a grippy handle and wide, smooth-rolling wheels. Set it up in the backyard, by the pool, or at any location your friends drop a pin.

Enjoy up to 15 hours of playtime, plus a replaceable battery option for even longer parties. With Auracast™, you can pair two, three, or multiple JBL speakers for room-shaking sound. Whether you’re the DJ, the singer, or just the vibe-setter, the PartyBox 520 is built to bring the energy all night.

Key Features

Electrifying Sound with AI Sound Boost

Experience powerful, clear audio engineered to match your energy. JBL’s AI Sound Boost analyzes your music in real time for maximum output, loudness, and clarity—while minimizing distortion, even at high volume.

Futuristic Lightshow

Turn any event into a full-blown experience with glowing patterns and strobe effects that pulse and move with the beat.

Up to 15 Hours of Play Time

Party on a single charge for up to 15 hours. Need more? Swap in a replaceable battery (sold separately) or get an extra 2 hours of music with just a 10-minute fast charge.

Multi-Speaker Connection with Auracast™

Pair two PartyBox 520 units for true stereo sound, or link multiple JBL Auracast™-enabled speakers to scale your sound with your crowd.

Control Everything with the JBL PartyBox App

Adjust EQ, switch light modes, manage music, and trigger sound effects—all from your phone.

Telescopic Handle & Wide Wheels

Designed for easy portability with an extendable handle and sturdy wheels that glide across any surface.

IPX4 Splash Proof

Splashes and spills won’t slow the party; the PartyBox 520 is built to handle it.

Easy Audio Connectivity

Connect via USB-C for high-quality streaming or karaoke apps, or attach live instruments and DJ gear using the dual XLR inputs.

General Specifications

• Power Input: 100 – 240 V ~ 50 / 60 Hz
• Output Power: 400 W RMS (IEC60268)

Audio Specifications

• Transducers: 2 × 7.5" (208mm) woofers, 2 × 1" (25mm) dome tweeters
• Frequency Response: 40 Hz – 20 kHz
• Signal-to-Noise Ratio: > 80 dB

Dimensions

• Product: 415 × 769 × 369 mm (16.34" × 30.28" × 14.53")
• Net Weight: 25.5 kg (56.2 lbs)
• Packaging: 489 × 854 × 480 mm (19.25" × 33.62" × 18.9")
• Gross Weight: 29.4 kg (64.8 lbs)

Control & Connection Specifications

• Aux-In: 250 mV RMS (3.5 mm)
• Mic-In: 20 mV RMS
• Guitar-In / Line-In: 100 mV RMS
• Bluetooth/USB Input: -12 dBFS
• Bluetooth Version: 5.4
• Bluetooth Profiles: A2DP 1.4, AVRCP 1.6
• Frequency Range: 2.4 GHz – 2.4835 GHz
• Transmitter Power: ≤ 18 dBm (EIRP)
• Modulation: GFSK, π/4 DQPSK, 8DPSK
• USB Format: FAT16, FAT32
• USB Supported Formats: .MP3, .WAV, .WMA, .FLAC (not for EMEA)
• USB-C Charge Out: PDO (5V/3A, 9V/3A, 15V/2A, 20V/1.5A), PPS (5–11V/2.7A, 5–16V/1.85A)
• Cable: AC Power Cable (varies by region)
• Cable Length: 2.0 m / 6.6 ft

Battery

• Battery Type: JBL Battery 600, Li-ion 99.02 Wh (21.6V / 4584mAh)
• Charge Time: 3 hours (speaker off)
• Play Time: Up to 15 hours (varies by volume & content)

What's in the Box?

• 1 × JBL PartyBox 520
• 1 × Quick-Start Guide
• 1 × Safety Instruction & Warranty Card
• AC Power Cord (type varies by region)