The JP232 is a double in-line (independent) rotor bass trombone by John Packer. This instrument has gained success as a step-up model in the semi-professional market. With its beautifully balanced design featuring in-line rotors, the JP232 offers a similar feel to an open wrap trombone, providing a free and open blowing experience. It is an excellent choice for intermediate players looking to transition into bass trombone playing or experienced players seeking an affordable and high-quality instrument.The JP232 Bass Trombone has been praised for its well balanced and free blowing nature. The JP232 is perfect for you if you need that big brass sound on a limited budget.