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