Portable party speaker with JBL legendary sound, futuristic lighting, and built-to-move design

JBL PartyBox 330 is a portable party speaker designed to bring bold, room-filling energy wherever the night goes—combining legendary JBL sound, a wider soundstage, and an adaptive, beat-synced lightshow in a rugged, travel-ready build.

At the heart of the experience is 280 W RMS output (IEC60268), driven by dual 6.5" woofers and twin 25 mm PEN dome tweeters. The result is deep, punchy bass and crisp highs, supported by a frequency response of 40 Hz–20 kHz (-6 dB) and a signal-to-noise ratio greater than 80 dB.

To keep the sound powerful and clean at higher volumes, AI Sound Boost reads your music in real time and predicts driver movement to maximize bass and volume while minimizing distortion—so the mix stays loud, clear, and controlled when the party peaks.

Visually, PartyBox 330 sets the scene with a futuristic lightshow featuring sweeping ripple light trails and punchy strobes that sync to the beat. With multiple patterns to choose from, the lighting can shift with the mood—from casual hangouts to full-on dance-floor moments.

Designed for real movement, it features a telescopic handle with a secure locking mechanism and wide, sturdy wheels built to handle rough roads, including grass or sand. An IPX4 splash-proof design helps keep the music going through sudden drizzle and outdoor spills.

Power is built for long sessions: up to 18 hours of playtime (depending on volume and content), with fast charging that adds 2 more hours from a 10-minute charge. You can also swap in a spare battery (sold separately). Battery charge time is 3 hours (speaker off mode), using the JBL Battery 400 (Li-ion 68 Wh).

Connections are made for both playlists and live sets. Use USB-C input for lossless audio from streaming or karaoke apps, connect a TV via optical input for sing-along setups, or plug in microphones and a guitar for instant performance energy. Supported USB formats include FAT16/FAT32 and audio files .MP3, .WAV, and .FLAC (not available for EMEA region).

Wireless playback runs on Bluetooth® 6.0 (profiles A2DP V1.4, AVRCP V1.6). For bigger spaces and bigger crowds, Auracast™ lets you pair two PartyBox 330 speakers for a wider stereo soundstage, or link multiple JBL Auracast™-enabled speakers to expand the sound.

Smart EQ mode automatically adjusts EQ in real time, recognizing whether content is primarily music or speech—helping instruments stay full and punchy while voices remain clear and easy to understand.

Control stays effortless with the JBL One App, letting you change songs or adjust the lightshow from anywhere in the party. The PartyBox 330 is also compatible with JBL EasySing Mics, including EasySing’s AI vocal removal for quick karaoke-style tracks.

• 280 W RMS (IEC60268) with dual 6.5" woofers and twin 25 mm PEN dome tweeters
• AI Sound Boost for bigger, cleaner sound with minimized distortion
• Adaptive, beat-synced futuristic lightshow with ripple trails and strobes
• Up to 18 hours of playtime, fast charge: 10 minutes for 2 hours
• IPX4 splash-proof design, telescopic handle, and wide wheels for easy transport
• Auracast™ pairing for stereo or multi-speaker expansion
• USB-C, optical-in, mic-in, guitar-in, and AUX-in connections