Boss ME-90B

Introducing the ME-90B, a comprehensive bass effects processor packed with professional live tools for bass players. Expand your creative range with 61 optimized bass effects. Shape your core sound with 10 newly developed AIRD preamps using our latest technology. Connect to stage amplifiers, venue PA systems, and computers. The manual interface, expression pedal, and footswitch access allow you to create and perform seamlessly without interruption.

• All-in-one bass processor with premium BOSS amps and effects
• Easy pedal-style sound creation with an intuitive dial interface
• Superior sound quality with 24-bit AD conversion, 32-bit DA, floating-point processing, and 48 kHz sampling rate
• 61 bass effects from the BOSS library
• 10 integrated AIRD preamps, including some newly created models
• Dedicated preamp section plus six categories of effects with multiple types to choose from, all running simultaneously
• Edit parameters, switch between preamp and effect types, and more with BOSS Tone Studio
• Eight multi-function footswitches and an expression pedal with a toe switch
• 36 preset memories and 36 user memories for custom setups
• Manual Mode for pedalboard operation and Memory Mode for switching between complete configurations
• Dial Blend to mix direct bass sound with effects
• 1/4" stereo outputs and balanced XLR output with ground lift switch
• Rear panel switch to optimize 1/4" audio outputs for a bass amp or full-range sound system
• Send/return loop for external pedals
• Lightweight, durable design with multi-color status LEDs
• Supports up to three user speaker IRs
• Operates on four AA batteries or an optional AC adapter
• USB-C port for communication with BOSS Tone Studio and for audio recording/playback with music production software
• Download and share ME-90B LiveSets via BOSS Tone Exchange
• An optional dual Bluetooth audio and MIDI adapter allows editing sounds and streaming audio from an iOS or Android device

The ME-90B provides everything a live bassist needs with an agile pedal-style operation through the classic BOSS ME interface. Each effects category has dedicated parameter dials for instant sound tweaking. Manual mode enables activation/deactivation of each category with your foot, while Memory mode allows you to recall up to 36 custom multi-effects setups. Each pedal switch features a distinct LED color for easy identification, and all LEDs can be set to a fixed color for each mode.