The BOSS ME-90B is a versatile multi-effects processor designed specifically for bassists, offering an innovative platform filled with tools for performance and creativity. It features a robust selection of 61 effects optimized for bass, including ten bass preamps powered by state-of-the-art AIRD technology. The processor allows connection to various sound systems such as stage amps, PA, and computers, providing extensive performance and recording versatility. With a hands-on interface comprising eight multi-function footswitches and an expression pedal, bassists can easily create and manipulate their sound in real-time. Its lightweight and durable design, combined with USB-C connectivity for audio recording and control, make the ME-90B an essential tool for any performing bassist.