This Mag-Mute is a large cupped adjustable mute is for players who primariy need a cup for a Big Bell horn. The cup is 4.93 wide at the rim. Great color and tonal range due to the XL cup and the adjustability feature!
Also you get a great straight mute!
Adjustable Big Bell Cup Mute: Mag-Mute for those Big Bell Trumpets
Plays in tune and with great ease all through the range! Very versatile!