1 GW Helios Trumpet Mouthpiece Rim Diameter 17.29mm, .681 inches .173 Superior upper register access —

Superior upper register access — highs feel open

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Massive sound — Produces the largest

No more aversion to dead recording studios or dead halls

1 GW Helios Trumpet Mouthpiece Rim Diameter 17.29mm, .681 inches .173 Superior upper register access —Experience superior efficiency and power with our premium stainless steel mouthpiece, built on the classic Bach 1 inner rim diameter (. 671" 17. 04mm). Crafted from high performance stainless steel, this mouthpiece transfers your buzz into the instrument with exceptional energy and immediacy delivering more projection, clarity, and raw power compared to traditional brass. The material's density and responsiveness give your sound incredible focus and