Add to favorites
JBL Xtreme 4 Portable Speaker - Blue by JBL - Refurbished - Very Good condition

JBL Xtreme 4 Portable Speaker - Blue

Brand: JBL

Condition: Refurbished - Very Good
$45499
$67848
-33% Save $22349
Updated: 3 days ago

Description

OVERVIEW:
Unleash Powerful Sound Everywhere
It’s time to live loud! The JBL Xtreme 4 portable waterproof speaker delivers next-level massive JBL Pro Sound with amazing dynamics, even at top volume, thanks to impressive specs like its two powerful woofers and two tweeters. Dual pumping JBL passive radiators give you deeper bass that moves you.
Want to take your music outdoors? The handy shoulder strap makes it easy, while the rugged rubber bumpers and IP67 waterproof and dustproof rating mean that a sudden downpour or a dunk in the lake won’t stop the fun. When it’s time to create an even bigger audio experience, pair two Xtreme 4s for stereo sound. Or for your next party, use Auracast(TM) to connect the Xtreme 4 with any compatible JBL portable speakers, so your friends lounging poolside will vibe to the same playlist as the ones chatting indoors.
Up to 24 hours of playtime and a convenient power bank for your device mean you won’t have to recharge until morning. Plus, it’s made with recycled plastic and recycled fabric. The JBL Xtreme 4 brings thrilling sound with you - everywhere.
Next level massive JBL Pro Sound
Two woofers, two powerful drivers and dual pumping JBL Bass Radiators effortlessly deliver dynamic, immersive sound with deeper bass and plenty of detail. You'll get lost in the music wherever you are.
Up to 24 hours of playtime plus 6 hours with Playtime Boost
Your listening adventures can last all day long. Take the JBL Xtreme 4 with you from room to room, out to your backyard party, or off to the beach. With up to 24 hours of battery life, you can play music 'til the sun goes down-and comes back up again-before you'll need a recharge. Simply tap Playtime Boost to prolong the playtime, adding up to 6 hours to your battery life. It tunes and optimizes the performance for louder and crisper sound.
Convenient shoulder strap
The speaker can be carried on the shoulder or can be adjusted as crossbody, whatever your style or the mood.
KEY FEATURES:
Next-level massive JBL Pro Sound
Two woofers, two powerful drivers and dual pumping JBL Bass Radiators effortlessly deliver dynamic, immersive sound with deeper bass and plenty of detail. With these specs from the Xtreme 4, you’ll get lost in the music wherever you are.
Up to 24 hours of playtime plus 6 hours with Playtime Boost
Your listening adventures can last all day long. Take the JBL Xtreme 4 with you from room to room, out to your backyard party, or off to the beach. With up to 24 hours of battery life, you can play music ‘til the sun goes down - and comes back up again - before you’ll need a recharge. Simply tap Playtime Boost to prolong the playtime, adding up to 6 hours to your battery life. It tunes and optimises the performance for louder and crisper sound, whether you’re at home or outdoors.
Convenient shoulder strap
The portable outdoor speaker can be carried on the shoulder or can be adjusted as a crossbody, whatever your style or mood.
AI Sound Boost
Get the most out of your JBL portable Bluetooth speaker. AI Sound Boost analyses the incoming signal in real-time while simultaneously using an AI algorithm to predict loudspeaker movement and power response. It pushes the driver to its maximum capability, fully exploiting the dynamic range for better and more powerful sound. It also reduces distortion even at high volume, maximizing the bass output and overall loudness.
Multi-speaker connection by Auracast(TM)
Want even bigger JBL Pro Sound? Stereo pair two Xtreme 4 speakers for a wider soundstage. For your biggest parties, multiple JBL speakers can be connected wirelessly using Auracast(TM). You can also pump up your party with JBL PartyBoost by using the JBL Portable app to pair the Xtreme 4 with other JBL PartyBoost-compatible speakers.
Power up with the built-in power bank
Don’t put the good times on pause. The JBL Xtreme 4’s built-in power bank lets you charge your devices without taking a break from the music.
Replaceable battery*
Want even more life out of your speaker? Replace the rechargeable battery* in three simple steps, and your JBL Xtreme 4 will be back at full power. *Replaceable battery sold separately.
Fast charge
Need a quick boost to see the party through? Ten minutes on the charger gets you another two hours of music.
JBL Portable app
Use the JBL Portable app to receive updates, get product support, and unlock features, all straight from your phone. Fine-tune your sound with multiple EQ preset options. Or use the fully customisable equaliser to adjust highs, mids, and lows - so your music is just right for you.
Made in part with recycled materials
The JBL Xtreme 4 incorporates post-consumer recycled plastic and fabric for the speaker grille. It’s also packaged in FSC-certified paper printed with soy ink.

Specifications

  • Model Name: JBL Xtreme 4 Portable Speaker
  • Transducers: 2 x 70 mm woofer / 2 x 2.75”, 2 x 20 mm tweeter / 2 x 0.75”
  • Rated output power: 2 x 30W RMS woofer + 2 x 20W RMS tweeter (AC power mode) 2 x 20W RMS woofer + 2 x 15W RMS tweeter (Battery mode)
  • Power input: 5V / 9V / 12V / 15V / 20V, 3A
  • Frequency response: 44 Hz - 20k Hz
  • Signal-to-noise ratio: > 80 dB
  • Maximum operation temperature: 45°C
  • Music play time: up to 24 hours (dependent on volume level and audio content)
  • Connection ports: USB-C (in / out)
  • Cable type: PD adaptor (plug type varies by region)
  • Cable length: 1500mm / 59”
  • USB-C charge out: 5V / 3A, 9V / 2A,11V / 2A
  • Bluetooth® version: 5.3
  • Bluetooth® profile: A2DP 1.3, AVRCP 1.6
  • Bluetooth® transmitter modulation: GFSK, π/4 DQPSK, 8DPSK
  • Bluetooth® transmitter frequency range: 2400MHz - 2483.5 MHz
  • Bluetooth® transmitter power: ≤ 12dBm (EIRP)
  • 2.4GHz SRD frequency range: 2407 MHz ~ 2475MHz
  • SRD transmitter power: <10 dBm (EIRP)
  • Battery type: Li-ion polymer 68Wh (equivalent to 7.2 V/9444 mAh)
  • Battery charge time: 3.5 hours (20V/3A input)
  • Product dimensions (W x H x D): 297 x 149 x 141 mm / 11.69” x 5.87” x 5.55”
  • Net weight: 2.1kg / 4.63lbs
  • Packaging dimensions (W x H x D): 325 x 218 x 173 mm/ 12.8” x 8.6” x 6.9”
  • Gross weight: 3.24 kg / 7.14 lbs

Frequently Asked Questions

Why Should I buy a certified pre-owned JBL Xtreme 4 Portable Speaker?
A certified pre-owned JBL Xtreme 4 Portable Speaker offers incredible value, with savings up to 70% off vs new. Every item passes a 40+ point inspection to ensure it meets our high quality standards. It's the smarter way to shop—better for your wallet, and better for the planet.
What is Reebelo's return policy?
We offer a free 30-day change of mind policy, giving you plenty of time to make sure your JBL Xtreme 4 Portable Speaker is perfect for you.
What does the warranty cover?
Every product includes a warranty of up to 12-months covering all functional defects under normal use.
How does buying certified pre-owned products benefit the environment?
Purchasing a certified pre-owned JBL Xtreme 4 Portable Speaker is a powerful move for the planet, reducing CO2 emissions by up to 92% compared to buying new. By extending the life of high-quality goods, you bypass the carbon-intensive manufacturing process and prevent valuable materials from reaching landfills, where they can take centuries to decompose. Reebelo is driving a circular economy where products are kept in use rather than becoming part of the 62 million tonnes of waste generated annually. Your choice helps keep high-value materials in circulation and supports a more sustainable future for all.

Sold by

Reebelo

Verified Retailer

Leading certified refurbished marketplace

  • 12-month warranty included
  • 30-day money-back guarantee
  • Environmentally conscious refurbishment
  • Grade-certified by expert technicians

Product Details

SKU:
ru-sku-merqnqxbzcTyCGnIV5KcB1o
Country:
US

Shopping Smarter

Common questions about buying open-box and refurbished.

Why buy refurbished or open-box?
Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $223 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.
What's the difference between open-box and refurbished?
Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.
Why use OpenBoxFox?
Finding refurbished deals is time-consuming — you'd have to check Amazon Warehouse, Reebelo, Dyson Outlet, and others separately for JBL products. OpenBoxFox aggregates these listings in one place, so you can compare and find the best deal without the legwork. We update pricing daily so you always see current availability and real savings.
Is it safe to buy refurbished?
Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.

More refurbished JBL deals

Updated daily from Amazon, Reebelo, and Dyson.

Sign in to save items

Save favorites and get alerts when prices drop.

or

Already have an account?