1. Introduction
Thank you for choosing the SoundExtreme SEB26R 500-Watt Amplified Battery Powered Powersports 8 Speaker Bluetooth LED Backlit Soundbar. This manual provides essential information for setting up, operating, and maintaining your soundbar to ensure optimal performance and longevity. Designed for rugged outdoor environments, the SEB26R delivers powerful audio and dynamic lighting for your adventures.
2. What's in the Box
- 1x SEB26R Soundbar
- User Guide
- 1x Battery Charger
- 1x Battery Pack
- 2x Standard Mounting Brackets and Related Hardware

Figure 2.1: The SoundExtreme SEB26R Soundbar and its removable battery pack.

Figure 2.2: The included battery charger for the SEB26R Soundbar.
3. Setup
3.1 Charging the Battery
Before first use, fully charge the included 12V 13.4Ah Lithium-ion rechargeable battery. Connect the battery pack to the provided battery charger and plug the charger into a standard wall outlet. The battery indicator lights will show charging status.

Figure 3.1: The battery pack features indicator lights to show charge level.
3.2 Mounting the Soundbar
The SEB26R comes with standard mounting brackets suitable for most light-duty on-road vehicle applications with round tubing, square tubing, or a strong flat mounting surface. For heavy-duty off-road or boat applications, specialized mounting brackets are sold separately.
- Identify a secure and stable mounting location on your vehicle.
- Attach the standard mounting brackets to the soundbar using the provided hardware.
- Securely fasten the soundbar with attached brackets to your chosen mounting surface. Ensure all connections are tight to prevent vibration and movement during operation.

Figure 3.2: The soundbar securely mounted on a vehicle, showcasing its integrated design.
4. Operating Instructions
4.1 Powering On/Off and Bluetooth Pairing
The soundbar features integrated audio and light controls for easy operation.
- Press and hold the Power button (⏻) on the control panel to turn the soundbar On or Off.
- Once powered on, the soundbar will automatically enter Bluetooth pairing mode. The Bluetooth indicator light will flash.
- On your Bluetooth-enabled device (smartphone, tablet), search for "SoundExtreme SEB26R" in the Bluetooth settings and select to pair.
- Once paired, the Bluetooth indicator light will become solid, and you can stream audio wirelessly from up to 100 feet away.
4.2 Audio Playback
- Volume Control: Use the Volume Up (+) and Volume Down (-) buttons on the control panel.
- Track Control: Use the Previous Track (⏴) and Next Track (⏵) buttons.
- Play/Pause: Press the Play/Pause (⏯) button.
- AUX-IN: Connect an external audio device directly to the integrated wired AUX-IN jack.
4.3 Lighting Features
The SEB26R features multi-color backlit speakers and a rear-facing LED light bar.
- Speaker Backlight Control: Use the Speaker Light button (💡) to cycle through colors (Green, Red, White, Blue), music sync mode, solid, fading, or off.
- Rear LED Light Bar Control: Use the Light Bar button (≡) to cycle through White (high, medium, low), Red, Yellow chase, or off.

Figure 4.1: The soundbar with its speakers illuminated in red.

Figure 4.2: The rear-facing LED light bar illuminated in white.

Figure 4.3: The rear-facing LED light bar illuminated in red.
4.4 EcoCast Feature
The SEB26R is EcoCast enabled, allowing you to pair it with up to 100 other ECOXGEAR and SoundExtreme EcoCast enabled products for a synchronized audio experience.
- Ensure both devices are powered on and within range.
- On the primary soundbar, press and hold the EcoCast button until the indicator light flashes.
- On the secondary soundbar(s), press the EcoCast button briefly. They will connect automatically.
Video 4.1: Official product video demonstrating the SoundExtreme family, including the SEB26R, in action. This video highlights the soundbar's features and performance in various outdoor settings, including its lighting effects and robust design.
Video 4.2: Official product video focusing on the SoundExtreme SEB26 model. It showcases the soundbar's design, features, and how it integrates into different powersports vehicles, emphasizing its durability and audio quality.
Video 4.3: Official product video from SoundExtreme by ECOXGEAR. This video provides a comprehensive overview of the soundbar's capabilities, including its robust construction, audio performance, and various applications in outdoor and powersports environments.
5. Maintenance
The SEB26R is designed to be waterproof and dustproof, meeting IP66 international standards. This means it can withstand rain, sand, and snow without issues.
5.1 Cleaning
To clean the soundbar, simply rinse it with fresh water after exposure to dirt, sand, or saltwater. Avoid using harsh chemicals or abrasive cleaners, as these may damage the finish or internal components.
5.2 Battery Care
To maximize battery life, store the soundbar and battery pack in a cool, dry place when not in use. Recharge the battery regularly, even if not fully depleted, to maintain its health. Additional batteries and chargers are available for purchase separately.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No Power | Battery depleted or not properly inserted. | Ensure battery is fully charged and correctly seated. |
| No Sound | Volume too low, device not paired, or AUX cable loose. | Increase volume, re-pair Bluetooth device, or check AUX connection. |
| Bluetooth Disconnection | Device out of range or interference. | Move device closer to soundbar (within 100 ft), avoid obstacles. |
| Lights Not Working | Light feature turned off or low battery. | Press the light buttons to activate/cycle modes. Charge battery. |
7. Specifications
- Model Name: SEB26R
- Speaker Type: Powersports Speaker
- Peak Output Power: 500 Watts
- Battery Life: Up to 20 Hours (normal volume), 4+ hours (max volume)
- Battery Type: 12V 13.4Ah Lithium-ion (removable, rechargeable)
- USB Output: 5V 2.1A (for charging devices)
- Bluetooth Version: V5.0
- Bluetooth Range: Up to 100 Feet
- Waterproof Rating: IP66
- Dimensions: 4.5"D x 25.8"W x 4.5"H
- Item Weight: 14 Pounds
- Included Components: Soundbar, User Guide, Battery Charger, Battery Pack, Standard Mounting Brackets
8. Warranty and Support
The SoundExtreme SEB26R comes with a 1-Year Manufacturer Warranty. For warranty claims, technical support, or additional product information, please visit the official SoundExtreme website or contact their customer service directly.
Online Resources: SoundExtreme Official Store





