The BOSS ME-90 is a cutting-edge guitar multi-effects processor designed for guitarists who demand versatility and exceptional sound quality. It combines a wide array of features including eleven AIRD amp models, 60 different effects, and a user-friendly knob-driven interface that allows for quick sound creation. The compact design is battery-powered, making it perfect for on-the-go musicians. Its durable construction and colorful status LEDs make it suitable for live performance. The ME-90 also supports deep editing capabilities with BOSS Tone Studio, enabling users to customize tones extensively for any performance need.