Bring unforgettable energy to any celebration with the JBL PartyBox 520, a portable wireless speaker built for high-impact sound and all-night fun. Designed for music lovers and party hosts alike, this powerful 400W RMS speaker delivers deep bass and crisp highs through dual woofers and dome tweeters. Engineered with AI Sound Boost technology, it ensures distortion-free performance at any volume. Whether by the pool, at the beach, or in your backyard, the PartyBox 520 brings a fully immersive audio and visual experience with a futuristic lightshow that pulses to the beat.
Its splash-proof IPX4 rating, 15-hour battery life, and replaceable battery option make it the ideal choice for long outdoor gatherings. The built-in telescopic handle and sturdy wheels offer easy portability, and the JBL PartyBox app lets users control the speaker remotely—from EQ adjustments to customizing the light effects. For larger events, the PartyBox 520 supports multi-speaker pairing via Auracast™, transforming any space into a dynamic sound stage. With sustainable materials and wide compatibility, this speaker is more than just loud—it’s responsible, durable, and future-ready.
AI Sound Boost for Powerful, Clear Audio
The proprietary AI Sound Boost automatically adapts to your music in real time, enhancing volume and clarity without distortion, even at peak loudness.
Dynamic Lightshow with Strobe Effects
Integrated lights synchronize with the rhythm, creating an engaging party atmosphere and elevating the visual appeal of any space.
Up to 15 Hours of Playtime
The high-capacity battery supports long sessions. With just a 10-minute charge, up to 2 additional hours of playback are possible. (Replaceable battery sold separately.)
Auracast™ Multi-Speaker Connectivity
Multiple JBL speakers can be wirelessly connected to amplify sound output, supporting large-scale gatherings with consistent quality.
JBL PartyBox App Integration
The PartyBox app allows remote control of music playback, sound settings, and light sequences, giving hosts total flexibility.
Splash-Proof (IPX4)
Protected against splashes, making it suitable for outdoor environments and poolside entertainment.
Sturdy Wheels and Telescopic Handle
Designed for portability, the built-in wheels and extendable handle allow effortless transport across various terrains.
USB-C and XLR Audio Inputs
Seamless high-quality connectivity is enabled for microphones, instruments, and DJ consoles, making the PartyBox 520 a live-performance-ready unit.
Eco-Conscious Materials
Built using post-consumer recycled plastic and fabric, and packaged with FSC-certified paper and soy ink.
General
Power input: 100 – 240 V ~ 50 / 60 Hz
Output power: 400 W RMS (IEC60268)
Audio
Transducers: 2 x 7.5” (208 mm) woofers, 2 x 1” (25 mm) dome tweeters
Frequency response: 40 Hz – 20 kHz
Signal-to-noise ratio: > 80 dB
Control & Connectivity
Input sensitivity:
• Aux-In: 250 mV RMS (3.5 mm)
• Mic-In: 20 mV RMS
• Guitar-In: 100 mV RMS
• Bluetooth/USB: -12 dBFS
Bluetooth® version: 5.4
Bluetooth® profiles: A2DP V1.4, AVRCP V1.6
Bluetooth® frequency range: 2.4 GHz - 2.4835 GHz
Bluetooth® power: ≤ 18 dBm (EIRP)
Modulation: GFSK, π/4 DQPSK, 8DPSK
USB formats: FAT16, FAT32
Supported file formats: .MP3, .WAV, .WMA, .FLAC (excluding EMEA and Brazil)
USB-C output:
PDO: (5V/3A, 9V/3A, 15V/2A, 20V/1.5A)
PPS: (5–11V/2.7A, 5–16V/1.85A)
Cable: AC power, 2.0m (6.6 ft), varies by region
Dimensions
Speaker: 415 x 769 x 369 mm / 16.34” x 30.28” x 14.53”
Net weight: 25.5 kg / 56.2 lbs
Packaging: 489 x 854 x 480 mm / 19.25” x 33.62” x 18.9”
Gross weight: 29.4 kg / 64.8 lbs
Battery
Type: JBL BATTERY 600, Li-ion 99.02 Wh (21.6V / 4584mAh)
Charging time: 3 hours (when off)
Playback time: Up to 15 hours (varies by usage)
Box Contents
JBL PartyBox 520
Quick-start guide
Safety & Warranty Card
AC Power Cord (type varies by region)
Engineered for those who demand immersive sound and ultimate portability, the JBL PartyBox 520 offers a feature-rich party speaker that stands out in both performance and design. Whether used at home, outdoors, or on the go, it delivers consistent sound quality, visual impact, and reliable functionality—making it an essential addition to any social setup.
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