Tom Crown is considered one of the finest mute craftsmen around today. The products he has developed are top professional level and extremely well manufactured. They produce a unique, lovely sound and still allow the power necessary in large ensembles. Once you try these you will see why they are the professional choice.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 an great choice for all trumpet players.