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TREBL with Sprint Magic Box Device
Designed in partnership with harman/kardon, TREBL with Sprint Magic Box delivers premium sound, Alexa voice assistant convenience and average upload and download speed increases of up to 200%. All in one sleek device.
Set Up Assistant App

Download the Sprint Set Up Assistant App to assist with installing TREBL with Magic Box.

TREBL with Sprint Magic Box Device

Getting Started Guide

Review for easy setup instructions.


Learn more about your TREBL with Sprint Magic Box.

  • Frequently Asked Questions
  • Set Up Your TREBL with Sprint Magic Box
  • Troubleshooting and Returns
  • Terms and Conditions

Frequently Asked Questions

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