Play your trumpet cornet silently with this Sb7x Silent Brass by Yamaha. Designed to insert directly into your cornet's bell, this Silent Brass mutes your instrument completely. Its pickup mute technology and internal microphone reproduce your trumpet's sound precisely. Enjoy authentic intonation and timbre over a wide pitch range fed directly into your ears. An adjustable rod lets you customize the mute's fit to your instrument and preferences. Store your trumpet with the mute inside the bell between gigs thanks to the mute's ultra-compact design.