The TrumCor Adjustable Aluminum Trumpet Cup Mute offers the best in a cup mute with two adjustable cups. This mute has both a normal cup and unique bowl design cup. The bowl cup generates an enormous sound and is particularly helpful in freeing the upper and lower registers. Both cup designs are suited for all type and genres of music. The TrumCor Adjustable Aluminum Trumpet Cup Mute is available in an all-aluminum finish. TrumCor Mutes are carefully crafted from selected grades of materials. Each mute is designed to produce a muted tone that is in tune, vibrant, warm and responsive. TrumCor Mutes blend well with other instruments and preserve the unique sound quality of each instrument in all registers and at all dynamics.