This mouthpiece was developed in collaboration with world-renowned euphonium player Steven Mead and Misa Mead. It is the XR series, which is a further evolution of the popular euphonium mouthpiece "Ultra 4X". Retail price: 31,680 yen I purchased it a year and a half ago. There are some minor scratches (please refer to the photos), but there are no problems with playing, condition, or tone. You can play smoothly. In terms of feel, it's about the same depth as a Bach 4G. The rounded rim provides a good grip on the lips, feels comfortable, and reduces fatigue. It's easy to lip slur, and the freedom of playing is increased. The sound responds quickly, and I felt it was easier to produce a large volume. Above all, the attack is easy! The sound comes out with a "pop" when you blow into it. The cup is shallower, but the new inner design balances the tone! It is a large shank mouthpiece that can be used for euphonium and trombone. 26.00 mm, 6.30 mm, 7.40 mm Please consider it!