Introduction
The JBL Xtreme is a powerful portable Bluetooth speaker designed to deliver robust stereo sound. This manual provides essential information for setting up, operating, and maintaining your speaker to ensure optimal performance.
What's in the Box
- JBL Xtreme Portable Wireless Bluetooth Speaker
- Power Adapter
- Shoulder Strap
- Quick Start Guide (not included in this digital manual)
- Safety Sheet (not included in this digital manual)

Image: JBL Xtreme speaker shown with its included power adapter.
Product Overview
Front View

Image: The front of the JBL Xtreme speaker, featuring the JBL logo and fabric grille.
Top Panel Controls

Image: Top panel of the JBL Xtreme with buttons for Bluetooth pairing, volume down, power, JBL Connect, volume up, and play/pause.
- Bluetooth Button: Initiates Bluetooth pairing mode.
- Volume Down (-): Decreases the audio volume.
- Power Button: Turns the speaker on or off.
- JBL Connect Button: Connects multiple JBL Connect-enabled speakers.
- Volume Up (+): Increases the audio volume.
- Play/Pause Button: Controls audio playback (play, pause, skip tracks).
Side Passive Radiators

Image: Side view of the JBL Xtreme speaker, highlighting one of the passive radiators with the JBL logo.
The JBL Xtreme features passive radiators on both ends to enhance bass response.
Rear Ports

Image: Rear of the JBL Xtreme speaker with the orange zippered compartment open, revealing the charging port, two USB ports, and an auxiliary input.
- Power Input: Connect the included power adapter to charge the speaker.
- USB Ports (x2): Use these ports to charge external devices like smartphones or tablets.
- Auxiliary Input: Connect audio devices using a 3.5mm audio cable (not included).
Setup
Charging the Speaker
- Open the zippered compartment on the rear of the speaker.
- Connect the power adapter to the speaker's power input.
- Plug the power adapter into a wall outlet.
- The LED indicators on the speaker will show the charging status. A full charge takes approximately 3.5 hours.
Bluetooth Pairing
- Power on the JBL Xtreme speaker by pressing the Power button.
- Press the Bluetooth button on the top panel. The Bluetooth indicator will flash, indicating pairing mode.
- On your smartphone or tablet, go to the Bluetooth settings and select "JBL Xtreme" from the list of available devices.
- Once connected, the Bluetooth indicator will glow solid blue, and you will hear an audible confirmation.
Operating Instructions
Power On/Off
Press the Power button on the top panel to turn the speaker on or off.
Adjusting Volume
Use the Volume Up (+) and Volume Down (-) buttons on the top panel to adjust the speaker's volume.
Music Playback
- Press the Play/Pause button once to play or pause music.
- Press the Play/Pause button twice to skip to the next track.
- Press the Play/Pause button three times to go back to the previous track.
Speakerphone Function
When connected to a smartphone, the JBL Xtreme can be used as a speakerphone. Press the Play/Pause button to answer or end a call. The speaker features noise and echo-canceling technology for clear calls.
JBL Connect
The JBL Connect feature allows you to wirelessly link multiple JBL Connect-enabled speakers together to amplify the listening experience. Press the JBL Connect button on all desired speakers to link them.
Maintenance
Water Resistance
Important Note:
The JBL Xtreme is NOT waterproof and is NOT rated as water-resistant. Avoid exposing the speaker to water or moisture to prevent damage. Ensure the rear zippered compartment is securely closed to protect the ports from dust and splashes.
Cleaning
To clean the speaker, use a soft, damp cloth. Do not use harsh chemicals or abrasive materials, as these may damage the finish or fabric.
Troubleshooting
- No Power: Ensure the speaker is charged. Connect the power adapter and allow it to charge for a few minutes before attempting to power on.
- Cannot Pair via Bluetooth: Make sure the speaker is in pairing mode (Bluetooth indicator flashing). Check that your device's Bluetooth is enabled and within range. Try restarting both the speaker and your device.
- No Sound: Check the volume levels on both the speaker and your connected device. Ensure the speaker is properly paired via Bluetooth or connected via the auxiliary input.
- Poor Sound Quality: Move the speaker closer to your Bluetooth device to reduce interference. Ensure there are no obstructions between the speaker and the device.
Specifications
| Brand | JBL |
| Model Number | JBLXTREMEREDUS |
| Connectivity Technology | Bluetooth |
| Speaker Maximum Output Power | 40 Watts |
| Frequency Response | 70Hz – 20kHz |
| Battery Capacity | 10,000 mAh |
| Battery Average Life | Up to 15 Hours |
| Battery Charge Time | 3.5 Hours |
| Item Weight | 4.65 Pounds |
| Item Dimensions (D x W x H) | 7.9"D x 12.1"W x 18.1"H |
| Water Resistance Level | Not Water Resistant |
Warranty and Support
This product comes with a manufacturer's warranty. For detailed warranty information and support, please refer to the documentation included with your product or visit the official JBL website.
Proposition 65 Warning
WARNING:
This product can expose you to chemicals including [List of chemicals, if available, otherwise state 'chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.']. For more information, go to www.P65Warnings.ca.gov.





