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.

Key Features

• 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.

Specifications

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)

Conclusion

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.