The JBL PartyBox 520 is a powerful portable audio system designed to bring high-energy sound to any gathering. It delivers 400W of RMS power through a sophisticated array of 10 full-range drivers, including 25 mm tweeters and 46 x 90 mm mid-range drivers, while an integrated subwoofer ensures the bass remains deep and impactful across a frequency range of 40Hz to 20kHz. Built from durable ABS plastic, the speaker features a black finish and integrated RGB illumination that adds a visual element to the music. To make moving a 26 kg device easier, it is equipped with an extendable handle and wide wheels, allowing you to transport it between rooms or outdoor spaces with less effort. The internal 4584 mAh lithium-ion battery provides up to 15 hours of playback and recharges via USB. Connectivity is handled by Bluetooth 5.4 with Auracast support, and the system includes a dedicated input for a microphone or guitar, making it a practical choice for performers or hosts. You can play a variety of digital formats including MP3, WMA, WAV, and FLAC, managing everything through the intuitive playback and volume controls on the unit.