Tom Crown Trumpet Mute Brass End High-quality aluminum trumpet mute with brass end The Tom Crown mutes offer a bell-shaped contour that makes them a perfect acoustical match to the trumpet Because of their consistency in tone quality, dynamic range, intonation and open feel, they are a must for all trumpet players The Tom Crown mutes offer a bell-shaped contour that makes them a perfect acoustical match to the trumpet Because of their consistency in tone quality, dynamic range, intonation and open feel, they are a must for all trumpet players