Main Specifications - Boss ME-90 Reference Manual

Main specifications

Sampling Frequency 48 kHz
24 bits + AF method
AD Conversion
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
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
INPUT: -10 dBu
Nominal Input Level
RETURN: -10 dBu
INPUT: +7 dBu
Maximum Input Level
RETURN: +7 dBu
INPUT: 1MΩ
Input Impedance
RETURN: 1MΩ
OUTPUT (L/MONO, R): -10 dBu
Nominal Output Level PHONES: -10 dBu
SEND: -10 dBu
OUTPUT (L/MONO, R): 1 k Ω
Output Impedance PHONES: 44 Ω
SEND: 1 k Ω
OUTPUT (L/MONO, R): 10 k Ω or greater
Recommended Load
PHONES: 44 Ω or greater
Impedance
SEND: 10 k Ω or greater
Display
7 segments, 2 characters (LED)
INPUT jack, OUTPUT (L/MONO, R) jacks, SEND jack, RETURN jack: 1/4-inch phone type
PHONES jack: Stereo miniature phone type
Connectors USB COMPUTER port: USB Type-C
Bluetooth ADAPTOR connector: Dedicated connector
DC IN jack
Alkaline battery (AA, LR6) x 4
Power Supply
AC adaptor
Current Draw 190 mA
Alkaline battery: Approximately 6.5 hours
Expected battery life
under continuous use
* This can vary depending on the specifications of the batteries, capacity of the batteries, and the conditions of use.
443 (W) x 220 (D) x 67 (H) mm
Dimensions
17-1/2 (W) x 8-11/16 (D) x 2-11/16 (H) inches
443 (W) x 220 (D) x 93 (H) mm
Maximum height
17-1/2 (W) x 8-11/16 (D) x 3-11/16 (H) inches
2.9 kg
Weight (including
battery)
6 lbs 7 oz
STARTUP GUIDE
Accessories
Alkaline battery (AA, LR6) x 4
Leaflet "USING THE UNIT SAFELY"
AC adaptor: PSA-S series
Options (sold separately)
Bluetooth
* 0 dBu = 0.775 Vrms
* This document explains the specifications of the product at the time that the document was issued. For the latest information, refer to the
Roland website.
®
® Audio MIDI Dual Adaptor: BT-DUAL
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