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Tribit Stormbox Pro 40-Watt Bluetooth Speaker; 360-degree Sound

  • Model: BTS31
  • Manufactured by: Tribit


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Everything you love about Tribit's high-quality speakers in a supersized, yet compact form. 40 watts of power, XBS bass technology, 360-degree sound, and more. Buy two and pair them together for room-filling stereo sound.

Want portable with a punch? With one independent subwoofer and two, mid-high frequency drivers, this 2.1 system is unique for it's combined portability and power. You'll notice the beautiful, full-spectrum sound thanks to AptX decoding and AKM7755 DSP. It's the highest fidelity sound, bolstered by strong bass and all with less than 0.5% distortion.

Bass You Can Feel

What's a great speaker system without full-bodied bass to bring the feeling alive? You can't miss the Tribit XBass® Technology—it will get your foot tapping and the party moving. It's the kind of bass you actually feel, not just hear!

Excellent Connectivity

Stay connected to your music. Supported by Bluetooth 5.0 and a Qualcomm QCC Bluetooth chip with ultra-low latency, the speaker prioritizes top-notch audio quality. Plus, you can even connect 2 devices to the speaker at the same time for multi-point functionality!

No Fear in the Pool

Meet your new pool pal! A little splash is nothing to the Stormbox Pro, which is waterproof (IP 67) up to 1 meter for 30 minutes. Hey, life happens, right? This speaker will stick with you through waves, drops and more!

2 Speakers, Triple the Fun

One speaker runs the party, but two blows it through the roof! Imagine getting concert-like, stereo sound when you pair 2 speakers together. Maximum sound for an unbeatable auditory experience.

Boosted Battery Life

Nothing kills the party faster than a dead speaker! Behind the curtain is a beefy 10,000mAh battery, giving the Tribit StormBox Pro up to 24 hours of power. Plus, you can charge your phone or other devices on it!


  • APT-X decoding function
  • Charge other devices from the built-in battery
  • 40 watts of power with high power, X-bass
  • 2.1-channel sound system, independent woofer
  • 360-degree sound
  • Stereo mode (when two speakers are connected)
  • IPX67 Waterproof
  • Playtime up to 24 hours


  • Bluetooth Version: 5.0
  • Output Power: 40W
  • Frequency: 60Hz-20KHz
  • Battery Type: two 3.7V/5,000mAh Lithium batteries
  • Charging Time: 7 hours @5V/2A
  • Weight: 2.2 Lb. (1000 g)
  • Dimensions: 96x96x180 mm
  • Waterproof Grade: IP67
  • Color: Black

What's in the Box

  • USB-C charging cable
  • Print User Manual
  • Warranty Card
  • User Manual

Audio Demo

Listen to an audio demo of the Tribit Stormbox 40 Bluetooth Speaker

Text Guide

Current Reviews: 3

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