Professional trumpet mouthpiece insert with adjustable pressure reducing valve designed for breath training and embouchure correction. CNC cut brass construction with a carefully shaped cup offers a comfortable fit and more effortless playing. Available in gold plated or silver plated finish. Key benefits Adjustable pressure reduces the amount of forced air needed, helping players develop steadier breath control and a more secure embouchure. Pressure settings can be changed to match skill level, making practice more efficient and allowing gradual progression. CNC cut brass and a well designed cup promote consistent response and clearer tonal focus when used as part of regular practice. Compact and lightweight for easy installation and use during lessons, rehearsals, or warm ups. Features Material: brass, CNC cut for consistent shape and finish Finish: gold plated or silver plated Size: approximately 8.1 x 2.8 cm Package weight: approximately 120 g Includes one pressure reducing valve unit for trumpet mouthpieces Simple pressure size adjustment to suit different proficiency levels Use scenarios Practice sessions for students working on embouchure placement and controlled airflow. Instructor led lessons where targeted correction of blowing technique is needed. Warm up or rehearsal settings where reducing effort and improving consistency are priorities. Package contents 1 piece pressure reducing valve for trumpet mouthpiece Notes Please allow a 1 to 2 cm difference due to manual measurement. Product color may vary slightly from images because of monitor display differences. Satisfaction is a priority. with confidence.