NEW Denis Wick SM4X ‘Ultra’ Euphonium mouthpiece in silver plate.
Cup diameter: 26.00mm
Rim width: 6.30mm
A large shank euphonium mouthpiece with a slightly shallower cup than the regular SM4U.
Ultra X Series – A new version of the incredibly successful Ultra mouthpiece. This new design is slightly shallower with changes to the cup shape, whilst maintaining the same diameter and outside shape. These mouthpieces give a real boost to the high register and provide very clear focussed low notes.
Steven Mead on the SM4X: I recommend this mouthpiece for anyone who currently plays the current Ultra SM4U and looking for more support and power especially in the upper register. In addition, anyone who currently plays a mouthpiece with the 5 rim should find the step up to the 4X beneficial and very easy to manage.