Boss ME-90 Bass Multi Effects Processor
Introducing the ME-90B, a free-flowing ME processor filled with pro performance tools for bassists. Extend your creative range with 61 effects optimized for bass. Shape your core tone with 10 bass preamps crafted with our latest AIRD technology. Connect to stage amps, house PA systems, and computers. And with the hands-on interface, expression pedal, and direct-access footswitches, you can create and perform in the moment with nothing to slow you down.For optimal performance, stay up to date with the currentME-90B system software.
| Effects: 93 Types |
| AD Conversion: 24 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 converters. |
| Battery Life: Alkaline battery: Approximately 6 hours, * This can vary depending on the specifications of the batteries, capacity of the batteries, and the conditions of use. |
| Brand: Boss |
| Connectors: 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 |
| Controls: BANK▼/AMP/EQ switch, BANK▲/MOD switch, CTL/BLEND switch,, MEMORY/MANUAL switch, 1/COMP switch, 2/FILTER switch,, 3/DRV/SYN switch, 4/DLY/REV switch, PEDAL FX switch,, GND LIFT switch, AMP/LINE switch, POWER switch,, EXIT button, WRITE button, CTL button, EDIT button,, PREAMP TYPE knob, BASS knob, MIDDLE knob, TREBLE knob, GAIN knob, LEVEL knob,, MOD TYPE knob, TYPE knob, RATE/TIME knob, DEPTH/DUTY/FB knob, E.LEV/RESO knob,, BLEND knob,, COMP/FX1 TYPE knob, SUSTAIN/LOW/-1OCT knob, ATTACK/HIGH/-2OCT knob, LEVEL/DIRECT knob,, FILTER/FX2 TYPE knob, SENS/RATE/KEY knob, TONE/DEPTH/HRM knob, PEAK/LEVEL/RESO knob,, DRIVE/SYNTH TYPE knob, DRIVE knob, TONE knob, LEVEL knob,, DLY/REV TYPE knob, TIME knob, FEEDBACK/TONE knob, E.LEVEL knob, OUTPUT LEVEL knob, PEDAL FX TYPE knob, PEDAL FX pedal |
| Current Draw: 195 mA |
| DA Conversion: 32 bits |
| Depth: 8-11/16 inches |
| Display: 7 segments, 2 characters (LED), Tuning guides (LED) |
| Effect Patches / Memory: 36 (User) + 36 (Preset) |
| Effect Type: 32-bit floating point |
| Height: 2-11/16 inches |
| Included Accessories: STARTUP GUIDE, Alkaline battery (AA, LR6) x 4, Leaflet "USING THE UNIT SAFELY" |
| Input Impedance: INPUT: 1 M ohm, RETURN: 1 M ohm |
| Max Height: 3-11/16 inches |
| Maximum Input Level: INPUT: +7 dBu, RETURN: + 7dBu |
| Nominal Input Level: INPUT: -10 dBu, RETURN: -10 dBu |
| Nominal Output Level: OUTPUT L/MONO、R: -10 dBu, PHONES: -10 dBu, SEND: -10 dBu, BALANCED OUTPUT: -10 dBu |
| Options (sold separately): AC adaptor: PSA-S series, Bluetooth(R) Audio MIDI Dual Adaptor: BT-DUAL, Carrying Case: CB-BM-M (sold separately) |
| Output Impedance: OUTPUT L/MONO, R: 1 k ohm, PHONES: 44 ohms, SEND: 1 k ohm, BALANCED OUTPUT: 600 ohms |
| Phrase Loop / Looper: 38 sec. (MONO) |
| Power Supply: Alkaline battery (AA, LR6) x 4, or, AC adaptor |
| Recommended Load Impedance: OUTPUT L/MONO, R: 10 k ohms or greater, PHONES: 44 ohms or greater, SEND: 10 k ohms or greater, BALANCED OUTPUT: 600 ohms or greater |
| Sampling Rate: 48 kHz |
| Weight: 6 lb 7 oz (including battery) |
| Width: 17-1/2 inches |





