3 GW Helios Trumpet Mouthpiece Rim Diameter 16.50mm, .653 inches

This is our all-time bestseller and the go-to choice for the vast majority of trumpeters — delivering unbeatable value at rock-bottom pricing. The 3 rim diameter strikes the perfect balance: spacious enough for freedom and comfort, yet focused enough for control and precision. It's ideal for players of all levels who want a mouthpiece that feels natural and responsive right away — supporting strong embouchure development while reducing fatigue during long sessions. Paired with our versatile medium cup and the larger #25 backbore, this setup shines in virtually every setting:

• Produces a centered, rich core tone with excellent warmth and resonance
• Offers outstanding projection and clarity that cuts through small combos, big bands, wind ensembles, or full orchestras
• Provides effortless flexibility across registers — from lyrical lows to brilliant highs — with quick articulation and dynamic range
• Enhances overall musicality by giving you more tonal color options and endurance without sacrificing focus

Whether you're gigging in a jazz group, anchoring a brass section in orchestra, or covering a wide repertoire, this combination empowers you to play with confidence, power, and expressiveness. The stainless steel construction ensures maximum energy transfer from your buzz for a vibrant, efficient response that elevates your sound instantly. Why it's our #1 seller: Timeless versatility meets premium one-piece construction at an unbeatable ease of playability. Step up your game without break through the next musical challenge with uncompromised equipment.