Extra mouthpipe bit
The 411 features specially designed bits for comfortable mouthpiece positioning.
Yamaha Sousaphones are extremely well-balanced, easy to hold while marching.
Heavy bracing throughout
Because the Sousaphone is for use in a marching band, it has heavy bracing throughout to make it more durable at the vulnerable points.
Pressure formed tubing
Perfectly rounded tubing results in less turbulence and a smoother air flow, thus allowing for an excellent scale and reduced resistance.