Solari Mutes trumpet practice mute. CAD designed and 3d printed trumpet practice mute lowers playing volume by over 20db!!! That's nearly 75% perceived reduction in volume with minimal impact on intonation and back pressure. Neoprene foam gasket prevents mute from easily falling out. Available in any listed color, plus custom colors upon request! Multi-color design changes every time.See additional listing for our trombone practice mute.