Used Jupiter XO 1602RS Professional Bb Trumpet XO 1602RS Bb Trumpet The XO 1602RS Bb trumpet is the perfect instrument for musicians who need to be flexible. With its balanced overtones, the 1602RS is used by musicians who play in many genres and diverse musical settings. The 1602RS comes with the XO Trumpet Accessory Kit, which includes a selection of valve springs, valve caps, finger buttons, and more for maximum customization. Specifications Key: Bb Bore Size: .459" Medium Large Leadpipe: Standard Leadpipe Material: Rose Brass Bell Size: 4.8" Bell Material: Rose Brass Body Material: Yellow Brass Valves: Monel Finish: Silver-Plated