The ProTec ML104 Liberty Aluminum Adjustable Cup Mute is the perfect combination of quality, versatility, and value. Made from high-quality spun aluminum, it delivers a free-blowing, well-balanced sound across all registers. The adjustable cup allows for a wide range of tonal options, catering to various musical styles. Durable cork ensures a secure and reliable fit, making this mute a must-have for trumpet players seeking performance and adaptability at an excellent price.