JBL PartyBox Ultimate — Massive 1100W Party Speaker with Wi-Fi, Dolby Atmos & Dynamic Lightshow

The JBL PartyBox Ultimate is the undisputed king of party speakers, delivering an earth-shaking 1100 watts of JBL Original Pro Sound with built-in Dolby Atmos over Wi-Fi for the ultimate immersive audio experience. Whether indoors or outdoors, it floods large spaces with rich, thunderous sound and deep bass you can feel.

Beyond audio, the massive multi-zone LED lightshow brings a concert-level visual experience with customizable starry lights, strobes, and dynamic ring effects — all synced to your music. With dual Wi-Fi and Bluetooth connectivity, you can stream in high resolution without dropouts.

Built to party hard, the JBL PartyBox Ultimate is IPX4 splashproof, comes with dual mic and guitar inputs, and even features karaoke EQ controls. Connect multiple PartyBox speakers wirelessly, or use the JBL One App to control lighting, EQ, and more.

Feature	Specification
Power Output	1100W RMS
Audio Technology	JBL Original Pro Sound + Dolby Atmos over Wi-Fi
Drivers	2 × 9" Woofers + 2 × 2.75" Midranges + 2 × 1" Tweeters
Frequency Response	30Hz – 20kHz
Connectivity	Wi-Fi, Bluetooth 5.3, USB, AUX, Mic & Guitar Inputs
Lighting System	Multi-zone RGB lightshow with dynamic strobe & ring effects
Karaoke Features	Dual mic inputs with karaoke EQ tuning & effects
Water Resistance	IPX4 (splashproof)
Streaming Services	Supports high-res audio over Wi-Fi (e.g., AirPlay, Alexa Cast)
Smart App Control	JBL One App (control lights, EQ, sound modes)
TWS Pairing	Yes — pair 2 speakers for stereo sound
Dimensions	Approx. 45.5 × 104.0 × 44.3 cm
Weight	Approx. 39.5 kg
Portability	Built-in handles & wheels
Power Source	AC-powered only