JBL PartyBox 520 (MTM PartyBox 520 BLK) – Massive Power, Immersive Sound, Ultimate Party Experience

The JBL PartyBox 520 is engineered to turn every gathering into an unforgettable celebration. With powerful output, deep bass, and dynamic lighting, it delivers room-filling sound and an energetic atmosphere designed for music lovers who want performance without compromise.

Bold Design Built for Parties

Designed with a commanding presence, the PartyBox 520 features a sturdy cabinet and premium finish that complements its powerful audio performance. Its solid build ensures durability, making it ideal for home parties, events, and celebrations that demand serious sound.

High-Impact Audio Performance

Experience thunderous sound with 400W output power driven by dual 7.5-inch woofers and two 1-inch dome tweeters. Covering a wide 40 Hz – 20 kHz frequency range, the PartyBox 520 delivers deep bass, clear mids, and crisp highs for an immersive listening experience.

AI Sound Boost for Enhanced Clarity

Integrated AI Sound Boost intelligently optimizes audio output in real time, enhancing clarity and impact even at high volumes. Whether indoors or outdoors, your music stays powerful and distortion-free.

Dynamic Lightshow & App Control

Elevate your party vibe with the built-in RGB lightshow that syncs with your music. Customize sound and lighting effortlessly using the JBL PartyBox App, putting complete control at your fingertips.

Reliable Battery for Extended Play

Powered by the JBL BATTERY 600 (Li-ion, 99.02 Wh), the PartyBox 520 delivers up to 15 hours of music playback on a single charge. With a 3-hour charging time, the party resumes quickly without long interruptions.

Versatile Connectivity Options

Stay connected with Bluetooth 5.4 for stable wireless streaming and support for Auracast. Multiple input options including USB, AUX, Mic-In, Guitar-In, and Line-In make the PartyBox 520 adaptable for DJs, live performances, and karaoke sessions.

Quick Specs

• Output Power: 400 W
• Frequency Response: 40 Hz – 20 kHz
• Transducers: 2 × 7.5-inch Woofers, 2 × 1-inch Dome Tweeters
• Bluetooth Version: 5.4 with Auracast Support
• Battery: JBL BATTERY 600, Li-ion 99.02 Wh
• Playback Time: Up to 15 Hours
• Charging Time: 3 Hours
• Inputs: USB, AUX (3.5 mm), Mic-In, Guitar-In, Line-In
• Supported Formats: MP3, WAV, WMA, FLAC
• Dimensions: 42 × 77 × 37 cm | Weight: 26 kg

The JBL PartyBox 520 is built for powerful sound, vibrant visuals, and nonstop entertainment — making it the perfect centerpiece for parties that demand energy, volume, and premium audio performance.