Xstream’s mouthpieces are the only trumpet mouthpieces, flugelhorn mouthpieces and soon to be trombone mouthpieces of their kind. With our patented "Power Chamber" design and our unique sound targeted backbores. Xstream’s mouthpieces are the first to challenge the old school mentality. Or as we like to say, “It's time to think outside the Bach's!” Xstream mouthpieces were deigned to deliver you more power with less effort, improve your upper register, better your flexibility and Increase your endurance!