The Boss ME-90B is a powerful, all-in-one multi-effects processor designed specifically for bass players who want professional tone with simple, hands-on control. Packed with premium BOSS effects and amp modeling, the ME-90B delivers everything from clean, punchy fundamentals to aggressive, modern bass tones—all in a rugged, stage-ready unit. Featuring a streamlined knob-based interface, the ME-90B lets you dial in your sound quickly and intuitively—no menu diving required. Choose from a wide selection of bass amps, compressors, drives, modulation, delay, and reverb effects, and shape your tone with precision using the onboard EQ and dedicated controls. Built for flexibility, the ME-90B offers multiple output options for connecting to amps, PAs, or recording interfaces, along with USB connectivity for direct recording and integration with BOSS Tone Studio. The built-in expression pedal adds real-time control over volume, wah, or effect parameters, making it perfect for dynamic live performances. Whether you’re gigging, recording, or practicing, the Boss ME-90B delivers reliable, great-sounding bass tone in an easy-to-use, all-in-one format. Key Features: Multi-effects processor designed specifically for bass Premium BOSS amp models and effects Intuitive knob-based interface for quick tone shaping Wide range of effects including compression, drive, modulation, delay, and reverb Built-in expression pedal for real-time control Flexible outputs for amp, PA, or recording use USB connectivity for recording and editing with BOSS Tone Studio Rugged, stage-ready construction