jbl party box 330
Body
jbl party box 330
side view of jbl partybox 330
back view of jbl partybox 330
battery slot of jbl partybox 330
Back view of a JBL speaker with control panel and branding.
Black JBL speaker with control buttons
JBL portable speaker with colorful lights
back view of jbl partybox 330 with dimension

JBL PartyBox 330

$799.98
•Refurbished • Risk Free • Warranty

Comes with:

JBL PartyBox 330
AC Power Cord
Documentation
Specifications
Frequently Asked Questions
$799.98

Certified Quality

Every item is verified by our experts for authenticity, functionality, and condition—guaranteeing a product you can trust.

Free Returns Up To 30 Days

Not completely satisfied? We offer a hassle-free 30-day return policy for any reason. We’ll even provide a prepaid shipping label at no extra cost to you.

3-Months Warranty

Shop with peace of mind. Every purchase is backed by our 3-month warranty. If a functional issue occurs, we handle the repair or replacement and provide free shipping both ways.

Battery Health Guarantee

Reliable power, guaranteed. Every device comes with at least 80% battery capacity, with certified upgrades to 90% or 100% available to ensure your device lasts throughout your day.

Specifications

Audio

  • Power Output: 280W RMS — Powered by AI Sound Boost technology for maximum volume and bass depth with minimal distortion.
  • Woofers: 2 x 6.5" Effective Woofers — Engineered for deep, punchy bass response with minimal distortion even at maximum output.
  • Tweeters: 2 x 1" (25mm) PEN Dome Tweeters — Reproduces crisp, detailed high frequencies for a full-range listening experience.
  • Frequency Response: 40Hz – 20kHz (-6dB) — Wide frequency range covering deep bass to crisp treble.
  • Signal-to-Noise Ratio: >80 dB — Clean audio output with minimal background noise at any volume level.

Battery & Charging

  • Battery: JBL Battery 400, Li-ion 68 Wh — Replaceable battery design allows you to swap in a spare for extended events.
  • Charge Time: 3 Hours (speaker off mode) — Full charge in 3 hours for up to 18 hours of continuous playback.
  • Fast Charge: Yes — 10 minutes of charging provides approximately 2 hours of playback.
  • Playtime: Up to 18 Hours — Varies by volume level and audio content.
  • Power Input: 100–240V ~ 50/60Hz — Universal voltage compatibility for use in any country.

Connectivity

  • Bluetooth: 6.0 with Auracast™ — Latest Bluetooth standard with Auracast multi-speaker pairing for a massive, synchronized sound experience.
  • Inputs: Aux-In (3.5mm), Mic-In, Guitar-In, Optical-In, USB-C — USB-C supports audio playback and 5V/1A device charging simultaneously.

Durability

  • Water Resistance: IPX4 — Splash-proof rating protects against accidental spills and light rain. Not submersible.

Physical

  • Dimensions: 334 x 662.5 x 375 mm (13.15" x 26.08" x 14.76") — Mid-format cabinet designed for home, outdoor, and event use.
  • Weight: 17.1 kg (37.7 lbs) — Ergonomic telescopic handle and wide, sturdy wheels for smooth transport across any surface.

Frequently Asked Questions

Does the JBL PartyBox 330 have a replaceable battery? ▼

Yes! It features a swappable battery design (JBL Battery 400), allowing you to swap in a fresh spare battery pack to extend your party time beyond its native 18-hour battery life.

Can I connect instruments or microphones for live music and karaoke? ▼

Yes, it has dedicated inputs for both microphones and guitars with volume controls, as well as an Optical-In and 3.5mm Aux input, making it fully ready for live performances or karaoke.

Is it easy to transport? ▼

Yes, despite its powerful size, it is built with an ergonomic telescopic handle and wide, sturdy wheels designed to smoothly roll across various surfaces.

Is the speaker water-resistant? ▼

It comes with an IPX4 splashproof rating, making it safe from accidental drink spills, pool splashes, or light rain outdoor events.

280W JBL Pro Sound. AI Sound Boost. 18-Hour Battery. Bluetooth 6.0.

The JBL PartyBox 330 is a powerhouse party speaker built for those who want serious sound and serious stamina — delivering 280W RMS powered by AI Sound Boost, up to 18 hours of playtime on a replaceable JBL Battery 400, and Bluetooth 6.0 with Auracast multi-speaker pairing. With Optical-In, Guitar-In, Mic-In, and USB-C connectivity, it’s a complete performance-ready setup for any event.

280W JBL Pro Sound — Powered by AI Sound Boost

The PartyBox 330 delivers 280W RMS through dual 6.5" woofers and dual 1" PEN dome tweeters, covering a wide frequency range from 40Hz to 20kHz. AI Sound Boost technology monitors the drivers in real-time to maximize volume and bass depth without distortion — so your music always sounds its best, even at full power.

18-Hour Replaceable Battery — Party Without Limits

The PartyBox 330 runs on a JBL Battery 400 Li-ion pack delivering up to 18 hours of continuous playback, with fast-charge capability (10 minutes = 2 hours of playback) and a full charge in just 3 hours. The swappable battery design means you can swap in a spare to keep the music going indefinitely.

Power Output 280W RMS, AI Sound Boost
Battery Up to 18 hrs, Replaceable Li-ion
Connectivity Bluetooth 6.0, Auracast, Optical-In, USB-C
Durability IPX4 Splash-Proof