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 two powerful woofers and two tweeters. Dual pumping JBL 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.

Up to 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 JBL Xtreme 4 brings thrilling sound with you—everywhere

General Features

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.

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.

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

Get the most out of your speaker. AI Sound Boost analyzes 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.

The JBL 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.

Want even bigger JBL Pro Sound? Stereo pair two Xtreme 4 speakers for a wider sound stage. For your biggest parties, multiple JBL speakers can be connected wirelessly using Auracast™. 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.

Don’t put the good times on pause. The JBL Xtreme 4’s built-in powerbank lets you charge your devices without taking a break from the music.

Want even more life out of your speaker? Replace the rechargable battery* in
three simple steps, and your JBL Xtreme 4 will be back at full power.
*Replaceable battery sold separately.

Need a quick boost to see the party through? Ten minutes on the charger gets you another two hours of music.

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 presets options. Or use the fully customizable equalizer to adjust highs, mids, and lows—so your music is just right for you.

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.

What’s in the box:

1 x JBL Xtreme 4
1 x PD adaptor (plug type varies by region)
1 x Quick start guide
1 x Warranty Card/Safety sheet

Key Specifications

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
Battery type: Li-ion polymer 68Wh (equivalent to 7.2 V/9444 mAh)
Battery charge time: 3.5 hours (20V/3A input)
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)

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
Maximum operation temperature: 45°C

Unleash powerful sound everywhere.

General Features

Next level massive JBL Pro Sound

Up to 24 hours of playtime plus 6 hours with Playtime Boost

Convenient shoulder strap

AI Sound Boost

Waterproof and dustproof

Multi-speaker connection by Auracast™

Power up with the built-in powerbank

Replaceable battery*

Fast charge

JBL Portable app

Made in part with recycled materials

What’s in the box:

Key Specifications

Technical Specifications

USB specifications

Wireless specifications

Dimension Specifications

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JBL Xtreme 4