Altavoz para fiestas JBL PartyBox 520 Negro 400 W

The JBL PartyBox 520 Black is a battery-powered party speaker designed for large gatherings and outdoor use. Offering 400 W RMS rated power and up to 15 hours of playtime on a single charge, the speaker includes wired and wireless connectivity options, USB Type-C charging, IPX4 splashproof protection, replaceable batteries and fast-charging capability to minimise downtime between sets.

Advantages

The PartyBox 520 combines high output power with AI Sound Boost technology that analyses the music signal in real time to optimise driver performance and reduce distortion. Rugged build elements — including an IPX4 splashproof rating, a telescopic handle and wide, sturdy wheels — make the speaker easy to transport and suitable for outdoor events. Auracast™ support enables wireless pairing with other Auracast™-enabled JBL speakers to create a connected sound system.

Suitable for

• Large indoor parties and events
• Outdoor gatherings and poolside use (splashproof)
• Mobile DJs and entertainers who need portable high-power sound
• Temporary PA setups and venue fill sound

Key specifications

• Rated power: 400 W RMS
• Battery life: up to 15 hours per charge
• Ingress protection: IPX4 (splashproof)
• Connectivity: wired and wireless, USB Type-C
• Special features: AI Sound Boost, Auracast™ support, replaceable batteries, fast-charging
• Colour: Black
• Manufacturer part number (MPN): JBLPARTYBOX520EU
• EAN: 1200130021961

How to use

Charge the speaker using the USB Type-C port or insert fully charged replacement batteries to extend playtime. Power on the unit and select a source — Bluetooth, wired input or USB — then pair or connect your playback device. Adjust volume and sound settings as needed; AI Sound Boost will automatically analyse and optimise the music signal during playback. For multi-speaker setups, enable Auracast™ on compatible JBL speakers and follow pairing instructions to synchronise audio across devices.

Recommendations

For outdoor use, keep the speaker protected from heavy rain despite its IPX4 splashproof rating. Use replaceable batteries or fast-charging when extended continuous operation is required, and transport the speaker using the telescopic handle and wheels to avoid carrying strain.