Boss ME-90 Guitar Multi Effect

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.

• 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

SPECIFICATIONSSampling Frequency48 kHzAD Conversion24 bits + AF method
AF method (Adaptive Focus method) This is a proprietary method from Roland & BOSS that vastly improves the signal-to-noise (SN) ratio of the AD and DA converters.DA Conversion32 bitsProcessing32-bit floating pointEffects97 TypesMemories36 (User) + 36 (Preset)Phrase Loop38 sec. (MONO)Tuner Internal Detection+/-0.1 centNominal Input LevelINPUT: -10 dBu
RETURN: -10 dBuMaximum Input LevelINPUT: +7 dBu
RETURN: +7 dBuInput ImpedanceINPUT: 1 M ohm
RETURN: 1 M ohmNominal Output LevelOUTPUT (L/MONO, R): -10 dBu
PHONES: -10 dBu
SEND: -10 dBuOutput ImpedanceOUTPUT (L/MONO, R): 1 k ohm
PHONES: 44 ohms
SEND: 1 k ohmRecommended Load ImpedanceOUTPUT (L/MONO, R): 10 k ohms or greater
PHONES: 44 ohms or greater
SEND: 10 k ohms or greaterControlsBANK 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,
TREBLE knob, LEVEL knob,
REVERB knob,
COMP/FX1 TYPE knob, SUSTAIN/SENS/-1OCT knob,
ATTACK/TONE/-2OCT/DEPTH knob, LEVEL/PEAK/DIRECT knob,
OD/DS TYPE 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 pedalDisplay7 segments, 2 characters (LED)ConnectorsINPUT jack, OUTPUT (L/MONO, R) jacks, SEND jack, RETURN jack: 1/4-inch phone type
PHONES jack: Stereo miniature phone type
USB COMPUTER port: USB Type-C(R)
Bluetooth ADAPTOR connector: Dedicated connector
DC IN jackPower SupplyAlkaline battery (AA, LR6) x 4
or
AC adaptorCurrent Draw190 mAExpected battery life under continuous useAlkaline battery: Approximately 6.5 hours
* This can vary depending on the specifications of the batteries, capacity of the batteries, and the conditions of use.AccessoriesSTARTUP 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-BU10SIZE AND WEIGHTWidth443 mm
17-1/2 inchesDepth220 mm
8-11/16 inchesHeight67 mm
2-11/16 inchesMaximum Height93 mm
3-11/16 inchesWeight(including battery)2.9 kg
6 lb 7 oz* 0 dBu = 0.775 Vrms*The specifications are subject to change without notice.