JBL Boombox 4 — Brand New Edition
Black
Comes with:
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
Frequently Asked Questions
Yes — brand new, factory-sealed, never used. This unit comes directly from the manufacturer in its original packaging with all original accessories included.
Yes — all brand new units from Leo Electronics come with a 3-month warranty covering defects in parts and workmanship.
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.
Yes — 100% health straight from the factory. This unit is brand new and factory-sealed, so the replaceable JBL Battery 600 has never been used or cycled.
200W. IP68 Waterproof. Replaceable Battery. Factory Sealed.
The JBL Boombox 4 Brand New Edition is the undisputed heavyweight champion of the 2026 portable lineup — factory sealed, never used. It delivers 200W RMS in battery mode and 210W in AC mode, with AI Sound Boost, a replaceable JBL Battery 600, IP68 waterproof and dustproof protection, and up to 28 hours of playtime extendable to 34 hours via Playtime Boost.
200W + AI Sound Boost — The Most Powerful Boombox Ever
The Boombox 4 delivers 200W RMS in battery mode and 210W in AC mode — significantly louder than the Boombox 3. AI Sound Boost maximizes the output of the dual 123mm woofers and 20mm tweeters for powerful, distortion-free sound at any volume. Choose between Deep Bass mode for indoor listening and Punchy Bass mode for outdoor environments.
IP68 Waterproof + Replaceable Battery — Built to Last
The Boombox 4 is IP68 rated — fully waterproof and dustproof, built to handle submersion and sandy beach environments. The replaceable JBL Battery 600 is a factory-fresh game-changer — if the battery ever wears out years from now, swap it for a brand-new one in seconds. With 100% battery health straight from the factory, you get the full 28-hour runtime right out of the box.
