Boss ME-90

Specifications

Sampling Frequency
48 kHz
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 and DA converters.
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
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
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,
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 pedal
Display
7 segments, 2 characters (LED)
Connectors
INPUT 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 jack
Power Supply
Alkaline battery (AA, LR6) x 4
or
AC adaptor
Current Draw
190 mA
Expected battery life under continuous use
Alkaline battery: Approximately 6.5 hours
* This can vary depending on the specifications of the batteries, capacity of the batteries, and the conditions of use.
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
Size and Weight
Width
443 mm
17-1/2 inches
Depth
220 mm
8-11/16 inches
Height
67 mm
2-11/16 inches
Maximum Height
93 mm
3-11/16 inches
Weight(including battery)
2.9 kg
6 lb 7 oz
* 0 dBu = 0.775 Vrms
*The specifications are subject to change without notice.