Brass buzz trainer for trombone large bore. 2025 new model, blue. Brand new, unused. --------------------------------------- 【NEW! 2025 New Model Release】 The Brass Buzz Trainer has been renewed! The "Brass Buzz Trainer," a mouthpiece practice support tool for brass instrument players, has been updated for even greater ease of use. With new materials and improved design, it has evolved to be easier to handle and make practice more comfortable. ● This product is the 【2025 May release new model】. While maintaining the basic structure of the previous model, the latest version has improved operability and durability through the adoption of new materials and improvements to the adjustment knob. ● 【Buzzing practice tool that can reproduce the blowing feel of your instrument by changing the resistance】 You can change the resistance during blowing steplessly, and by reproducing a state close to the resistance of your own instrument, you can achieve high-quality buzzing practice. It also has a muting effect, making it ideal for warm-ups backstage or practicing at home. ● 【One-touch adjustment with the new knob structure. Even easier to use!】 Improved from the conventional screw type to a knob type. One-touch adjustment and fixation of resistance is now possible, greatly improving operability. ● 【Adoption of new PETG material makes it even lighter】 Newly adopted PETG material, achieving approximately 40% weight reduction compared to the previous product. It is resistant to scratches, dirt, and impact, and its durability has also been significantly improved. ● 【Washable with water and neutral detergent! Can be used hygienically】 Compatible with washing with water and neutral detergent. You can always use it hygienically, keeping your daily practice comfortable. ● 【Palm-sized and easy to carry】 With a compact size of 25mm in diameter x 65mm in height, it can be put in pockets, pouches, instrument cases, etc., anywhere. You can easily engage in buzzing practice anytime, such as for a quick practice session on the go or practicing at home. ● With a simple and easy-to-use design, it's perfect for those who have just started playing brass instruments or for students. ● Product Name: Brass Buzz Trainer (for Trombone) 【For Large Bore】 ● Size: 25mm diameter x 65mm height ● Material: PETG ● Manufacturer: BRASS DESIGN ● Country of Manufacture: Japan ※ Mouthpiece is not included.