■Condition ・Functionality has been verified. ■Included Items ・Please refer to the photos. ■About the product ・The Yamaha SB7-9 Silent Brass System is a specialized practice mute set designed for trumpet and cornet players. ・It includes the pickup mute and the compact Personal Studio ST9 module, allowing you to practice anytime and anywhere by significantly reducing the external sound volume while providing natural acoustic resonance through headphones. .
