JBL PartyBox Ultimate Black front
Body
JBL PartyBox Ultimate Black front
JBL PartyBox Ultimate Black TopView
JBL PartyBox Ultimate Black SideView
JBL PartyBox Ultimate Black BackView

JBL PartyBox Ultimate — Certified Refurbished

Black

$1,649.00
•Refurbished • Risk Free • Warranty
Black

Comes with:

JBL PartyBox Ultimate
Power Cord
Generic Box
Specifications
Frequently Asked Questions
$1,649.00

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: 1100W RMS — The most powerful speaker in the JBL lineup, capable of covering an area the size of two basketball courts with clear, distortion-free audio.
  • Speaker Design: 3-Way — Dual 9" subwoofers, mid-range drivers, and dual tweeters for unmatched clarity and depth across the full frequency range.
  • Frequency Response: 30Hz – 20kHz — Extended low-end response delivering ground-shaking sub-bass without a dedicated subwoofer.
  • Self-Tuning Technology: Yes — Automatically calibrates EQ to the environment every time you power on — indoor or outdoor.
  • Dolby Atmos: Yes — True 3D spatial audio streamed in high definition via Wi-Fi 6 from compatible services.

Connectivity

  • Wi-Fi: Wi-Fi 6 — High-speed wireless streaming for Dolby Atmos and lossless audio from compatible services.
  • Bluetooth: 5.4 with Auracast™ — Sync with unlimited compatible JBL speakers simultaneously for a house-wide or venue-wide sound system.
  • Inputs: Dual XLR + Mic + Guitar — Pro-grade XLR connections for professional microphones and DJ consoles alongside standard instrument jacks.

Durability

  • Water Resistance: IPX4 — Splash-proof rating for poolside and outdoor event use.
  • Power Source: AC Powered (No Internal Battery) — Due to the 1100W power draw, this unit requires a direct power outlet connection. Designed for maximum fixed-location power.

Physical

  • Dimensions: 41.3" H x 17.9" W x 17.3" D (105.0 x 45.5 x 44.0 cm) — Large-format flagship cabinet designed for stage and large event use.
  • Weight: 87.1 lbs (39.5 kg) — Extra-wide wheels and easy-grip handle inspected during refurbishment for smooth maneuvering across any terrain.

Frequently Asked Questions

What does Certified Refurbished mean? ▼

Certified Refurbished means this JBL PartyBox Ultimate has been professionally inspected, tested, and restored to full working condition. Our technicians run a full frequency sweep from 30Hz to 20kHz, verify Wi-Fi 6 and Dolby Atmos connectivity, and test all PartyPad controls and lighting systems before the unit ships to you.

Does this JBL PartyBox Ultimate come with a warranty? ▼

Yes — all Certified Refurbished units from Leo Electronics come with a 3-month warranty covering defects in parts and workmanship.

What is your return policy? ▼

We offer a 30-day risk-free return. If you're not completely satisfied, return it within 30 days for a full refund — no questions asked.

Does it require a power outlet? ▼

Yes — the JBL PartyBox Ultimate is AC-powered and does not contain an internal battery. Due to its 1100W power draw, it requires a direct connection to a power outlet. All power components are tested and verified during the refurbishment process.

1100W. Dolby Atmos. Wi-Fi 6. Certified Refurbished.

The JBL PartyBox Ultimate Certified Refurbished is the most powerful speaker in the JBL lineup — now available at a massive discount. Every unit undergoes a rigorous multi-point inspection to ensure its dual 9" subwoofers, mid-range drivers, and dual tweeters deliver the full 1100W of Pro Sound, Dolby Atmos streaming, and the iconic floor-projection light show at peak performance.

What Is Certified Refurbished?

Certified Refurbished means this JBL PartyBox Ultimate has been professionally inspected, tested, and restored to full working condition. Our technicians run a full frequency sweep from 30Hz to 20kHz to verify the dual subwoofers deliver ground-shaking bass without rattle or port noise. Wi-Fi 6, Dolby Atmos, and all connectivity features are individually tested before the unit ships to you.

Dolby Atmos + Wi-Fi 6 — Concert-Grade Streaming

The PartyBox Ultimate is the only speaker in the JBL lineup with Wi-Fi 6 connectivity and Dolby Atmos support — enabling true 3D spatial audio streamed in high definition from services like Tidal and Apple Music. This is a level of audio immersion that standard Bluetooth simply cannot deliver, verified during refurbishment for full signal stability and latency performance.

Power Output 1100W RMS
Streaming Dolby Atmos + Wi-Fi 6
Connectivity Bluetooth 5.4 + Auracast™
Water Resistance IPX4 Splash-Proof