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Marshall's Stockwell III portable speaker offers more than 40 hours of use per charge
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Marshall's Stockwell III portable speaker offers more than 40 hours of use per charge

Engadget · Jun 9, 2026, 5:37 PM · Also reported by 1 other source

Key takeaways

  • It resembles a guitar amp and is available right now for $250.
  • Marshall Marshall just announced the Stockwell III portable Bluetooth speaker, which offers some real improvements over the Stockwell II.
  • The Stockwell III features the company's proprietary True Stereophonic technology, which delivers 360-degree audio no matter where the speaker is placed.

It resembles a guitar amp and is available right now for $250.

Marshall Marshall just announced the Stockwell III portable Bluetooth speaker, which offers some real improvements over the Stockwell II. First of all, the battery life has doubled, up from 20 hours per charge to over 40 hours per charge. That's five whole workdays of pumping tunes to annoy coworkers.

The Stockwell III features the company's proprietary True Stereophonic technology, which delivers 360-degree audio no matter where the speaker is placed. It also includes a dynamic loudness algorithm that keeps "the bass, mids and treble balanced at any volume." At lower volumes, bass and treble are heightened.

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