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一、 Our company's motto is: do not do disposable business, only do long-term business. So you can contact us at any time if you encounter any problem you don't understand in your purchase, our company will provide you with the best quality pre-sale and after-sale protection team.

二、Our company has its own R & D center and R & D factory, the current team of more than three hundred stable members. Our R & D center focuses on product quality and performance, our company only do the best quality products on the market.

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四、Our company has a strict shipping process, before shipment will go through the quality inspection department quality inspection through more than three times before shipment to customers, which is also a guarantee for customers.

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六、We are sellers, also want to be a good friend of the customer, our pursuit is to reach a long-term cooperation with each customer.

About this item

• Next level massive 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.
• 24 hours of playtime plus 6 hours with Playtime Boost: Take the Xtreme 4 with you anywhere indoors and out. You can play your music all day long before you'll need a recharge. Tap Playtime Boost to add up to 6 more hours to your battery life.
• Convenient shoulder strap: The speaker can be carried on the shoulder or can be adjusted as crossbody, whatever your style or the mood.
• AI Sound Boost: AI Sound Boost analyzes the incoming signal and uses an AI algorithm to predict the speaker movement and power response. The driver is pushed to its max capability creating a dynamic range and more powerful sound.
• Waterproof and dustproof: The Xtreme 4's IP67 waterproof and dustproof rating ensures this portable speaker can handle almost any environment, from a poolside party to a seaside picnic.

The Xtreme 4 portable waterproof speaker delivers next-level massive Pro Sound with amazing dynamics, thanks to two powerful woofers and two tweeters. Dual pumping passive radiators give you deeper bass that moves you. It offers 24 hours of playtime, and the handy shoulder strap makes it easy to spend some of those outside, where the rugged bumpers and IP67 waterproof and dustproof rating mean even a dunk in the lake won't stop the fun.

Multi-speaker connection by Auracast

Want even more roaring Original Pro Sound? Stereo pair two speakers for a wider sound stage. For your biggest events, multiple JBL Auracast-enabled PartyBoxes can be connected wirelessly using Auracast.

Convenient shoulder strap

The speaker can be carried on the shoulder or can be adjusted as crossbody, whatever your style or the mood.

Made in part with recycled materials

The Go 4 incorporates post-consumer recycled plastic and fabric for the speaker grille. It's also packaged in FSC-certified paper printed with soy ink.

Waterproof and dustproof

The Xtreme 4's IP67 waterproof and dustproof rating ensures this portable speaker can handle almost any environment, from a poolside party to a seaside picnic.

24 hours of playtime plus 6 hours with Playtime Boost

Your listening adventures can last all day long. Take the Xtreme 4 with you from room to room, out to your backyard party, or off to the beach. With 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.

Product Description

It's time to live loud! The Xtreme 4 portable waterproof speaker delivers next-level massive Pro Sound with amazing dynamics, even at top volume thanks to two powerful woofers and two tweeters. Dual pumping passive radiators give you deeper bass that moves you. Want to take your music outside? 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 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. 24 hours of playtime and a convenient power bank for your device mean you won't have to recharge until morning. All this, plus it's made with recycled plastic and recycled fabric. The Xtreme 4 brings thrilling sound with you—everywhere.