About this item
- Electrifying AI Sound Boost: Delivers rich, powerful 400W RMS sound with real-time optimization and less distortion.
- Futuristic Lightshow: Dynamic light patterns and strobe effects for party vibes.
- Up to 15 Hours Playtime: Enjoy extended fun; 10-minute charge gives 2 extra hours.
- Auracast Multi-Speaker Linking: Easily pair multiple JBL Auracast enabled speakers for larger sound.
- Mic, Guitar & DJ Inputs: Dual XLR inputs for karaoke, instruments, or DJ consoles.
- IPX4 Splash Proof: Designed for poolside or outdoor parties.
- Built-in Wheels & Telescopic Handle: Travel-friendly design for on-the-go music.
- Eco-Conscious Build: Uses recycled plastic and FSC-certified paper packaging.
From the manufacturer
JBL Partybox 520
Electrifying sound with AI Sound Boost
This sound is made to match your energy, so you feel like you’re hearing each song performed live. Turn it up louder and your music will still sound great, as our new proprietary tech, AI Sound Boost analyzes your music in realtime to deliver maximum acoustic performance with less distortion.
Control your party, right from the JBL PartyBox app
Control your party, right from the JBL PartyBox app Don’t feel stuck on speaker babysitting duty. Control your music, EQ settings, and lightshow from the JBL PartyBox app, wherever the party takes you.
JBL Partybox 520
Up to 15 hours of play time
Keep the good vibes going on a single charge with up to 15 hours play time. And if 15 hours of nonstop jams isn’t enough, wimplay swap out the replaceable battery to keep the music going. Or charge for 10 minutes and get an extra 2 hours of play time. *Replaceable battery sold separately
JBL Partybox 520
Telescopic handle and wide sturdy wheels
Wherever you go the JBL PartyBox 520 is ready for action with a handle that can extend and rolly wheels for a smooth ride.
Seamless high-quality audio connectivity
Futuristic lightshow
Did someone say lightshow? Dance the night away with glowing light patterns and strobe effects that make any event a whole mood.
Easy connection to mic, guitar or DJ console
Bring live talent into the mix. Connect a microphone, guitar or DJ console with two XLR inputs, easily to your PartyBox 520.
Multi-speaker connection by Auracast
Bigger parties call for even bigger sound. Pair two PartyBox 520s for true stereo vibes via Auracast, or connect multiple JBL Auracast enabled speakers wirelessly and let your music grow with your party size.
Technical specifications
| Battery charge time | 3 hours (speaker off mode) |
| Music play time | up to 15 hours (varies by volume level and audio content) |
| Battery type | JBL BATTERY 600, Li-ion 99.02 Wh (equivalent to 21.6 V / 4584 mAh) |
| Packaging dimensions (WxHxD) | 489 x 854 x 480 mm / 19.25” x 33.62” x 18.9” |
| Net weight | 25.5 kg / 56.2 lbs |
| Bluetooth version | 5.4 |
| Cable type | AC power cable (type varies by regions) |
| Signal-to-noise ratio | 80dB |
| Frequency response | 40 Hz – 20 kHz |
| Output power | 400 W RMS (IEC60268) |
| Power input | 100 – 240 V ~ 50 / 60 Hz |
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