---
product_id: 615932876
title: "Xtreme 4 Portable waterproof speaker with AURACAST (connect multiple Speaker), massive JBL Pro Sound and convenient shoulder strap, Black"
brand: "jbl"
price: "2459 Lei"
currency: RON
in_stock: true
reviews_count: 13
category: "Jbl"
url: https://www.desertcart.ro/products/615932876-xtreme-4-portable-waterproof-speaker-with-auracast-connect-multiple-speaker
store_origin: RO
region: Romania
---

# Adjustable Shoulder Strap 100W JBL Pro Sound 24+6 hrs Playtime Boost Xtreme 4 Portable waterproof speaker with AURACAST (connect multiple Speaker), massive JBL Pro Sound and convenient shoulder strap, Black

**Brand:** jbl
**Price:** 2459 Lei
**Availability:** ✅ In Stock

## Summary

> 🎉 Turn heads, not just volume—Xtreme 4 is your party’s power player!

## Quick Answers

- **What is this?** Xtreme 4 Portable waterproof speaker with AURACAST (connect multiple Speaker), massive JBL Pro Sound and convenient shoulder strap, Black by jbl
- **How much does it cost?** 2459 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/615932876-xtreme-4-portable-waterproof-speaker-with-auracast-connect-multiple-speaker)

## Best For

- jbl enthusiasts

## Why This Product

- Trusted jbl brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Immersive JBL Pro Sound:** Dual woofers & bass radiators deliver deep, room-filling audio that commands attention.
- • **Epic All-Day Battery Life:** Up to 24 hours plus 6 extra with Playtime Boost—party sunrise to sunset without a pause.
- • **Eco-Friendly Power & Design:** Replaceable battery and recycled materials keep your sound green and your party going longer.
- • **Seamless Multi-Speaker Sync:** Auracast & PartyBoost let you wirelessly connect multiple speakers for an unbeatable soundscape.
- • **Ultimate Portability & Style:** Convenient shoulder strap adapts to your vibe—carry it crossbody or on your shoulder with ease.

## Overview

The JBL Xtreme 4 is a rugged, waterproof portable speaker boasting 100W JBL Pro Sound with dual woofers and bass radiators. It offers an industry-leading 24-hour battery life, extendable by 6 hours via Playtime Boost, and features wireless multi-speaker connectivity through Auracast and PartyBoost. Designed for on-the-go lifestyles, it includes an adjustable shoulder strap and a replaceable battery option, all crafted with recycled materials for eco-conscious users.

## Description

From the manufacturer aplus content video Multi-speaker connection by Auracast 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 JBL Xtreme 4 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 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. Replaceable battery* Fast Charge Fast charge Need a quick boost to see the party through? Ten minutes on the charger gets you another two hours of music. Replaceable battery * 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. Features and Benefits 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. AI Sound Boost 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. Multi-speaker connection by Auracast 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. Power up with the built-in powerbank 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. Replaceable battery* 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. 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 presets options. Or use the fully customizable equalizer 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 What’s in the Box 1 x JBL Xtreme 4 1 x PD adaptor (plug type varies by region) 1 x Quick start guide

Review: Good - Sounds great
Review: Original 100% - good quality

## Features

- Next level massive JBL Pro Sound
- Up to 24 hours of playtime plus 6 hours with Playtime Boost
- Convenient shoulder strap
- Power up with the built-in powerbank
- Replaceable battery* and Fast charge

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CT8XDNXP |
| Additional Features | Portable, Stereo Pairing |
| Age Range Description | Adult |
| Antenna Location | For Smartphones or Tablets |
| Audio Driver Type | Dynamic Driver |
| Audio Output Mode | Stereo |
| Audio output mode | Stereo |
| Battery Average Life | 24 Hours |
| Battery Capacity | 24000 Milliamp Hours |
| Battery Charge Time | 24 Hours |
| Best Sellers Rank | #1,026 in Electronics ( See Top 100 in Electronics ) #21 in Portable Bluetooth Speakers |
| Bluetooth Range | 10 Meters |
| Brand | JBL |
| Built-In Media | 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 |
| Color | Black |
| Compatible Devices | Smartphone, Tablet, Computer |
| Connectivity Protocol | Bluetooth |
| Connectivity Technology | Bluetooth |
| Connectivity technology | Bluetooth |
| Control Method | Touch |
| Controller Type | Button |
| Customer Package Type | Flat Free Package (FFP) |
| Customer Reviews | 4.6 out of 5 stars 319 Reviews |
| Enclosure Material | plastic |
| Frequency Response | 20 KHz |
| Frequency response | 20 KHz |
| Global Trade Identification Number | 01200130008184 |
| Is Waterproof | True |
| Item Dimensions D x W x H | 29.7D x 14.1W x 14.9H centimeters |
| Item Weight | 3.3 Kilograms |
| MP3 player | No |
| Manufacturer | JBL |
| Model Name | JBLXTREME4BLKUK |
| Model Number | JBLXTREME4BLKUK |
| Mounting Type | Tabletop |
| Mounting type | Tabletop |
| Number Of Circuits | 4 |
| Number of Audio Channels | 2.0 |
| Number of Batteries | 2 Lithium Ion batteries required. (included) |
| Number of Items | 1 |
| Power Source | Battery Powered |
| Series Number | 4 |
| Speaker Maximum Output Power | 100 Watts |
| Speaker Size | 29.7 Centimeters |
| Speaker Type | Portable Bluetooth Speaker, Outdoor Speakers |
| Speaker maximum output power | 100 Watts |
| Specific Uses For Product | Outdoor Activities |
| Subwoofer Connectivity Technology | Wireless |
| Tweeter Diameter | 1 Inches |
| Unit Count | 1 Count |
| Warranty Description | 1 year manufacturer |
| Warranty Type | Limited |
| Water Resistance Level | Waterproof |
| Wireless Technology | Bluetooth |

## Product Details

- **Audio output mode:** Stereo
- **Brand:** JBL
- **Connectivity technology:** Bluetooth
- **Frequency response:** 20 KHz
- **Speaker maximum output power:** 100 Watts

## Images

![Xtreme 4 Portable waterproof speaker with AURACAST (connect multiple Speaker), massive JBL Pro Sound and convenient shoulder strap, Black - Image 1](https://m.media-amazon.com/images/I/81+WQvO0zcL.jpg)

## Available Options

This product comes in different **Color, Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good
*by S***M on 30 March 2025*

Sounds great

### ⭐⭐⭐⭐⭐ Original 100%
*by J***O on 28 January 2025*

good quality

### ⭐⭐⭐⭐⭐ Love it
*by F***D on 16 November 2024*

JBL is ultimate

## Frequently Bought Together

- JBL Xtreme 4 Portable Bluetooth Speaker with JBL Pro Sound and Convenient Shoulder Strap, IP67 Waterproof, Built-In Power Bank, Black, UK Plug (Type G)
- co2CREA Hard Travel Case for JBL Xtreme 4 Portable Stereo Bluetooth Speaker,Carrying Case Only
- co2CREA Silicone case for JBL Xtreme 4 Portable Stereo Bluetooth Speaker, Portable Ultra-light Protective Sleeve with Handle (Not Included speaker)

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**Shop now:** [https://www.desertcart.ro/products/615932876-xtreme-4-portable-waterproof-speaker-with-auracast-connect-multiple-speaker](https://www.desertcart.ro/products/615932876-xtreme-4-portable-waterproof-speaker-with-auracast-connect-multiple-speaker)

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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-07-08*