*** this is an open box item that has been played in our store under supervision of staff. Unblemished and working as expected.

Standard Features

• All-in-one bass processor with premium BOSS amps and effects
• Easy stompbox-style sound creation with an intuitive knob-based interface
• Superior sound quality with 24-bit AD and 32-bit DA conversion, 32-bit floating-point processing, and 48 kHz sampling rate
• 61 effects from the BOSS bass effects library
• Ten onboard AIRD preamp models including newly developed types
• Dedicated preamp section plus six simultaneous effect categories with multiple types to choose from
• Edit parameters, swap out preamp and effect types, and more with BOSS Tone Studio
• Eight multi-function footswitches and an expression pedal with toe switch
• 36 ready-to-play preset memories and 36 user memories for storing custom setups
• Manual mode for pedalboard-style operation and Memory mode for switching complete setups
• Blend knob for mixing in the direct bass sound
• Stereo 1/4-inch outputs and mono XLR balanced output with ground lift switch
• Rear-panel switch to optimize the 1/4-inch audio outputs for a bass amp or full-range sound system
• Send/return loop for external pedals
• Light, durable design and colorful status LEDs
• Load up to three user speaker IRs
• Powered via four AA batteries or optional AC adaptor
• USB-C® connector for communicating with BOSS Tone Studio and audio recording/playback with music production software
• Download and share ME-90B Livesets on BOSS Tone Exchange
• Optional Bluetooth® Audio MIDI Dual Adaptor allows you to edit sounds and stream audio from an iOS or Android mobile device