Introduction
The Tribit StormBox Pro is a high-fidelity portable Bluetooth speaker designed for robust audio performance and outdoor durability. It features 360° sound, enhanced XBass technology, and a long-lasting battery, making it suitable for various environments. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your speaker.
What's in the Box
- Portable Bluetooth Speaker
- User Manual
- Charging Cable
Product Overview
Familiarize yourself with the main components and controls of your Tribit StormBox Pro speaker.

Figure 1: Front view of the Tribit StormBox Pro speaker, highlighting its portable design and top control panel.

Figure 2: Close-up of the top control panel, showing the power button, volume controls, Bluetooth pairing button, and XBass button.

Figure 3: Side view illustrating the rubberized cover protecting the charging and auxiliary ports.
Video 1: Official product video demonstrating the Tribit StormBox Pro's features, including its 360° sound, XBass technology, and waterproof design.
Setup
Charging the Speaker
Before first use, fully charge your Tribit StormBox Pro. Connect the provided USB-C charging cable to the speaker's input port and a compatible power source. The LED indicators on the top panel will show charging progress. A full charge provides up to 24 hours of playtime.

Figure 4: The USB-C input port for charging the speaker.
Bluetooth Pairing
- Power on the speaker by pressing and holding the power button until the indicator lights illuminate.
- The Bluetooth indicator light will flash blue, indicating it's in pairing mode.
- On your device (smartphone, tablet, etc.), enable Bluetooth and search for "Tribit StormBox Pro" in the list of available devices.
- Select the speaker to connect. Once connected, the Bluetooth indicator light will turn solid blue.
The speaker supports Bluetooth 5.3 for stable and high-quality wireless connection. It also features multi-point functionality, allowing two devices to be connected simultaneously.
Operating Instructions
Basic Controls
- Power On/Off: Press and hold the power button.
- Volume Up: Press the '+' button.
- Volume Down: Press the '-' button.
- Play/Pause: Press the 'O' (circle) button.
- Next Track: Double-press the 'O' button.
- Previous Track: Triple-press the 'O' button.
XBass Technology
Activate the enhanced XBass mode by pressing the 'XBass' button on the top panel. This intensifies bass frequencies for a richer audio experience. Press again to deactivate.

Figure 5: The XBass button is located on the top control panel for easy access.
Wireless Stereo Pairing (TWS)
For an immersive stereo experience, you can pair two Tribit StormBox Pro speakers together. Note: Due to chip upgrades, the latest version of StormBox Pro cannot be stereo paired with previous versions.
- Ensure both speakers are powered on and not connected to any other Bluetooth devices.
- On one speaker, press and hold the Bluetooth button for 5 seconds until you hear a prompt. Repeat on the second speaker.
- The speakers will automatically connect to each other. Once paired, connect your device to one of the speakers via Bluetooth.
Video 2: Demonstration of the wireless stereo pairing feature, showing two StormBox Pro speakers connecting for a wider soundstage.
Features
High Fidelity 360° Audio Quality
The StormBox Pro delivers a full, 360° sound experience with dual-passive radiators that convert vibrations into acoustic output, ensuring no dead zones. It features multiple drivers for clear highs, rich mids, and deep bass.

Figure 6: Internal diagram illustrating the transducer, dual-passive radiators, and 3-inch neodymium subwoofer contributing to the 360° sound.
Extreme Battery Life
Equipped with a powerful 2*5,000mAh battery, the speaker offers up to 24 hours of continuous listening time, ensuring your music lasts all day and night.

Figure 7: The speaker's ability to charge other devices, emphasizing its extended battery life.
IP67 Waterproof and Dustproof
The StormBox Pro is IP67 rated, meaning it is fully protected against dust ingress and can withstand submersion in water up to 1 meter for 30 minutes. This makes it ideal for outdoor use, including beach or pool environments.

Figure 8: The speaker being splashed with water, showcasing its IP67 waterproof rating.
Incredibly Portable
With its flexible handle, the StormBox Pro is easy to carry wherever you go, making it a perfect companion for any adventure.

Figure 9: A person carrying the speaker by its handle, emphasizing its portability.
Maintenance
- Cleaning: Use a soft, damp cloth to wipe the speaker's surface. Avoid using harsh chemicals or abrasive cleaners.
- Storage: Store the speaker in a cool, dry place away from direct sunlight and extreme temperatures.
- Water Exposure: While waterproof, ensure the charging port cover is securely closed before exposing the speaker to water. After water exposure, dry the speaker thoroughly before charging.
- Dust/Sand: The fabric is dustproof, but it's recommended to gently brush off any accumulated dust or sand to maintain appearance.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Speaker won't turn on | Low battery. | Charge the speaker fully. |
| Cannot pair with device | Speaker not in pairing mode; device Bluetooth off; speaker already connected to another device. | Ensure speaker is in pairing mode (flashing blue light). Turn on device Bluetooth. Disconnect speaker from other devices. |
| No sound | Volume too low; device not connected; audio source paused. | Increase speaker/device volume. Reconnect Bluetooth. Check audio source playback. |
| Poor sound quality | Device too far; interference; low battery. | Move device closer. Avoid obstacles. Charge speaker. |
| Cannot stereo pair | Speakers are different versions; one speaker already paired. | Ensure speakers are the same version (check model number). Disconnect speakers from other devices before TWS pairing. |
Specifications
| Feature | Detail |
|---|---|
| Model Name | StormBox Pro |
| Item Model Number | BTS31 |
| Brand | Tribit |
| Connectivity Technology | Bluetooth 5.3, Wireless |
| Speaker Maximum Output Power | 40 Watts |
| Battery Life | 24 Hours |
| Water Resistance Level | IP67 (Waterproof & Dustproof) |
| Product Dimensions | 9.6"D x 18"W x 9.6"H |
| Item Weight | 2.57 pounds |
| Special Features | XBass, 360 Sound, Waterproof, Stereo Pairing |
| Included Components | Charging Cable, Portable Bluetooth Speaker, User Manual |
Warranty and Support
Tribit products come with a standard warranty. For detailed warranty information, technical support, or any inquiries, please visit the official Tribit website or contact their customer service. You can often find support contact information in the product packaging or on the brand's Amazon store page.
For questions, click "Your Account" -> "Your Order" -> "Tribit" on Amazon and contact customer service.







