Mutio Mutio / MRT-MTP R (Red) Trumpet Practice Mute Percussion case This whistle is made of

This whistle is made of plastic and has three different tones that can be achieved by pressing the holes on the side with your fingers

It can be used for all-around playing

This does not affect the quality

Frequency range 20Hz

Mutio Mutio / MRT-MTP R (Red) Trumpet Practice Mute Percussion case This whistle is made ofMutio MRT MTP BL (Mutio Blue) A first in Japan! A world first! Made with a 3D printer! Mutio, a practice mute for trumpet and cornet! This is a new silent mute developed by Morita Wind Instrument Service, a specialist in wind instrument repair. The Mutio body weighs approximately 50g, the weight of an egg, and offers excellent blowing comfort and sound dampening properties. The included attachment can be attached to the mouthpiece to create the same