Skip to content

BOSS ME-90B Bass Multi-Effects Processor Pedal

Free 2-Day Shipping

BOSS ME-90B Bass Multi-Effects Processor Pedal

FREE 2-Day Shipping

Manufacturer's Description

A quick effects crash with a high amount of white noise and pure attack. Responds rapidly with a bright explosion and dirty agitation. Makes an ideal stacker over the XSR Chinese.

  • Cymbal Size - 18"
  • Weight - Thin
  • Material - B20



  • 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
  • Dimensions: 17.5” (W) x 8.7” (D) x 2.7” (H) inches


  • INPUT jack, OUTPUT (L/MONO, R) jacks, SEND jack, RETURN jack: 1/4-inch phone type
  • BALANCED OUTPUT jack: XLR type
  • PHONES jack: Stereo miniature phone type
  • USB COMPUTER port: USB Type-C(R)
  • Bluetooth ADAPTOR connector: Dedicated connector
  • DC IN jack

Power Supply

  • Alkaline battery (AA, LR6) x 4 or AC adaptor
  • Current Draw: 195 mAExpected battery life under continuous use: Alkaline battery: Approximately 6 hours