BOSS / ME-90B

A bass multi-effect unit that realizes the intuitive operability and sound creation traditional in the BOSS ME series. The built-in effects are equipped with a wide range of types designed with the highest-grade algorithms. A wide range of high-quality BOSS effects tuned specifically for bass are available, allowing you to create a wide variety of sounds.

■Multi-effector for bass
～Specifications～
・Sampling frequency: 48kHz
・AD conversion: 24-bit + AF method *AF method (Adaptive Focus method) is a Roland/Boss original method that dramatically improves the SN ratio of the AD converter.
・DA conversion: 32 bits
・Internal calculation: 32-bit floating point
・Effect type: 93 types
・Memory: 36 (user) + 36 (preset)
・Phrase loop: 38 seconds (mono)
・Tuner internal detection accuracy: ±0.1 cent
・Specified input level:
INPUT: -10dBu
RETURN: -10dBu
・Maximum input level:
INPUT: +7dBu
RETURN: +7dBu
・Input impedance: INPUT: 1MΩ, RETURN: 1MΩ
・Specified output level:
OUTPUT L/MONO, R: -10dBu
PHONES: -10dBu
SEND: -10dBu
BALANCED OUTPUT: -10dBu
・Output impedance
OUTPUT L/MONO, R: 1kΩ
PHONES: 44Ω
SEND: 1kΩ
BALANCED OUTPUT: 600Ω
・Recommended load impedance
OUTPUT L/MONO, R: 10kΩ or more
PHONES: 44Ω or more
SEND: 10kΩ or more
BALANCED OUTPUT: 600Ω or more

・Control:
...switch
▼/AMP/EQ, BANK▲/MOD, CTL/BLEND, MEMORY/MANUAL, 1/COMP, 2/FILTER, 3/DRV/SYN, 4/DLY/REV, PEDAL FX, GND LIFT, AMP/LINE, POWER
button
EXIT, WRITE, CTL, EDIT
...knobs
PREAMP TYPE, BASS, MIDDLE, TREBLE, GAIN, LEVEL, MOD TYPE, TYPE, RATE/TIME, DEPTH/DUTY/FB, E.LEV/RESO, BLEMD, COMP/FX1 TYPE, SUSTAIN/LOW/-1OCT, ATTACK/HIGH/-2OCT, LEVEL/DIRECT, FILTER/FX2 TYPE , SENS/RATE/KEY, TONE/DEPTH/HRM, PEAK/LEVEL/RESO, DRIVE/SYNTH TYPE, DRIVE, TONE, LEVEL, DLY/REV TYPE, TIME, FEEDBACK/TONE, E.LEVEL, OUTPUT LEVEL, PEDAL FX TYPE

■Display: 7 segments 2 digits (LED), tuning guide (LED)
■Connection terminal:
INPUT, OUTPUT (L/MONO, R), SEND, RETURN (standard type), BALANCED OUTPUT (XLR type), PHONES (stereo mini type), USB Type-C (R), Bluetooth ADAPTOR (dedicated type), DC IN
■Power source: Alkaline batteries (AA size) x 4 or AC adapter
■Current consumption: 195mA
■Battery life during continuous use
Alkaline battery: Approximately 6 hours *Varies depending on battery specifications, capacity, and usage conditions.
■External dimensions: 443 (width) x 220 (depth) x 67 (height) mm
■External dimensions (at maximum pedal tilt): 443 (width) x 220 (depth) x 93 (height) mm
■Weight (including battery): 2.9kg
■Accessories: Startup guide, alkaline batteries (AA size) x 4, ""Safety Precautions"" leaflet, warranty card
■Sold separately AC adapter: PSA-100S, Bluetooth (R) Audio MIDI Dual Adapter: BT-DUAL, Carrying bag: CB-ME80, CB-BU10