Hands-on guitar processor with a compact design and premium BOSS amps and effects derived from the GT-1000

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 with 24-bit AD/DA and 32-bit floating point processing, 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.

Features

• All-in-one guitar 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/DA, 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 
• Optional Bluetooth® Audio MIDI Dual Adaptor allows you to edit sounds and stream audio from an iOS or Android mobile device

Specifications Sampling Frequency 48 kHz AD Conversion 24 bits + AF method (Adaptive Focus method) DA Conversion 24 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 Nominal 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: -10 dBu SEND: -10 dBu Output Impedance OUTPUT (L/MONO, R): 1 k ohm PHONES: 44 ohms SEND: 1 k ohm Recommended Load Impedance OUTPUT (L/MONO, R): 10 k ohms or greater PHONES: 44 ohms or greater SEND: 10 k ohms or greater Controls Various switches and knobs Display 7 segments, 2 characters (LED) Connectors INPUT jack, OUTPUT (L/MONO, R) jacks, SEND jack, RETURN jack, PHONES jack, USB COMPUTER port, Bluetooth ADAPTOR connector, DC IN jack Power Supply Alkaline battery (AA, LR6) x 4 or AC adaptor Current Draw 190 mA Expected Battery Life Alkaline battery: Approximately 6.5 hours Accessories STARTUP GUIDE, Alkaline battery (AA, LR6) x 4, Leaflet "USING THE UNIT SAFELY" Options (sold separately) AC adaptor: PSA-S series, Bluetooth(R) Audio MIDI Dual Adaptor: BT-DUAL, Carry Bag: CB-ME80, CB-BU10