Features Hand-lapped valves and slidesWell-balancedHeavy bracing Pressure formed tubingFiber reinforced plasticClear laquer finishIncludes: mouthpiece, valve oil, hard case Description Product Description The Yamaha YSH-411WC Series Brass BBb Lacquer Sousaphone features a brass body and bell for an incredibly rich almost orchestral sound. The bell front design enhances tonal projection, while the intonation is state-of-the-art. Players will appreciate the securely centered notes and easy playability, while band directors will value its durability.The YSH-411 features hand-lapped the valves and slides with an airtight valve/piston fit for noiseless, responsive action; heavy bracing to make it more durable at the vulnerable points; and perfectly rounded tubing results in less turbulence and a smoother airflow, thus allowing for an excellent scale and reduced resistance. The included 67C4 brass mouthpiece offers all-around versatility. With smooth, mellow tone throughout the instrument's range and plenty of volume and power. Comes with YAC RVO superior valve oil, and SH-43 molded plastic case with wheels.