Uploaded July 2019 | Updated September 2026, 2 weeks ago

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We visited Metropolis Studios in London to get the low down from Boss on the new WAZA tube amp expander. Featuring Simon McBride!

Read more on MusicRadar now: musicradar.com/news/hear-how-boss-plans-to-change-the-tube-amp-game-with-this-in-studio-waza-tube-amp-expander-demo