Boss ME-90 Guitar Multi-Effects Processor


The BOSS ME series has been a favorite of performing guitarists for over three decades, combining multi-effects power with intuitive hands-on control for crafting tones in seconds. The ME-90 is the most advanced ME model to date, offering exceptional audio quality, flagship-grade AIRD amp models, IR loading, an effects loop, and more. Compact, battery-powered, and filled with premium BOSS tones, this versatile all-in-one processor makes it easy to build customized sound setups for every playing situation.

Standard Features

  • All-in-one guitar processor with premium BOSS amps and effects
  • Easy stompbox-style sound creation with an intuitive knob-based interface
  • Exceptional audio quality with 24-bit AD and 32-bit DA conversion, 32-bit floating-point processing, and 48 kHz sampling rate
  • Eleven onboard AIRD amp models and 60 different effects derived from the flagship GT-1000
  • Dedicated amp section plus seven simultaneous effect categories with multiple types to choose from
  • Edit parameters, swap out amp and effect types, and more with BOSS Tone Studio
  • Eight multi-function footswitches and a newly redesigned expression pedal with toe switch
  • 36 ready-to-play preset patches and 36 user patches for storing custom setups
  • Manual mode for pedalboard-style operation and Memory mode for switching complete patch setups
  • Rear-panel switch to optimize the audio outputs for a guitar amp or full-range sound system
  • Load up to three user speaker IRs with the ME-90 IR Loader software for Windows/macOS
  • Send/return loop for external pedals
  • Light, durable design and colorful status LEDs
  • 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-90 Livesets at BOSS Tone Exchange
  • Optional Bluetooth® Audio MIDI Dual Adaptor allows you to edit sounds and stream audio from an iOS or Android mobile device


  • Sampling Frequency: 48kHz
  • AD Conversion: 24 bits + AF Method, AF Method (Adaptive Focus)
  • DA Conversion: 32 bits
  • Processing: 32-Bit Floating Point
  • Effects: 97 Types
  • Memories: 36 (user) + 36 (Preset)
  • Phrase Loop: 38 Sec. (Mono)
  • Tuner Internal Detection: +/- 0.1 cent
  • Maximum Input Level: Input: -10 dBu, Return: -10 dBu
  • Maximum Input Level: Input: +7 dBu, Return +7 dBu
  • Input Impedance: Input: 1 M ohm, Return: 1 M ohm
  • Nominal Output Level: Output (L/Mono, R): -10 dBu, PHones: -10dBu, Send: -10 dBu
  • Recommended Load Impedance: Output (L/Mono, R) 10 k Ohms or greater, Phones: 44 ohms or greater, Send: 10k ohms or greater
  • Controls: Bank Down/Amp Switch, Bank Up/EQ switch, CTL/REV Switch, Memory/Manual Switch, 1/Comp Switch, 2/OD/DS switch, 3/MOD switch, 4/Delay switch, Pedal FX switch, Gt. Amp/line switch, power switch, Exit button, Write Button, CTL Button, Edit Button, Preamp type knob, Gain knob, Bass knob, Middle knob, Reverb knob, Comp/FX1 Type knob, Sustain/SENS/-10CT knob, Attack/Tone/-2OCT/Depth knob, Drive knob, Tone knob, Level knob, Mod Type knob, Rate/Key knob, Depth/Harmony knob, E.Level/Resonance knob, Delay Type knob, Time knob, Feedback knob, E.Level Knob, Output Level Knob, Pedal FX Type Knob, Pedal FX Pedal
  • Display: 7 Segments, 2 Characters (LED)
  • Connectors: Input Jack, Output (L/Mono, R) jacks, Send Jack, Return Jack: 1/4" Phone type, Phones Jack: Stereo Mini 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: 190 mA
  • Expected Battery Life Under Continuous: Alkaline Battery: Approximately 6.5 hours
  • Accessories: Startup Guide, Alkaline Battery (AA, LR6) x 4


Collections: Effects

Category: Boss, Effects/Pedals

Type: Multi-Effects