ME-20B

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ME-20B: Bass Multiple Effects

Performance-Based Effects for Bass

Features

The second new offering in the ME series is the ME-20B, a powerful multi-effects unit optimized for live performance. With the same performance-based design as its guitar-focused ME-20 counterpart, the ME-20B is aimed at the performing bassist who wants stage-friendly effects and solid construction at an affordable price. Mix, match, and customize a wide variety of effects, including compressor, overdrive, distortion, T-Wah, phaser, flanger, chorus, delay, reverb, defretter, synth, and more.

  • Performance-based bass processor for the player who wants an easy-to-use interface with BOSS tone and quality
  • New super-tough metal chassis with 3 footswitches, 5 realtime control knobs, and expression pedal
  • EZ Edit for quick sound creation
  • Unique effects such as Synth, Octave, Defretter, and more
  • BASS ENHANCE function for instant presence boost
  • 30 user memory locations in addition to realtime operation
  • Battery or AC powered

Performance-Based Effects for Bass

Specs

AD Conversion
24-bit + AF method (*)
DA Conversion
24-bit
Sampling Frequency
44.1 kHz
Patches
30 (user)
Nominal Input Level
INPUT: -10 dBu, AUX IN: -18 dBu
Input Impedance
INPUT: 1 M ohm, AUX IN: 22 k ohms
Nominal Output Level
-10 dBu
Output Impedance
2 k ohms
Display
7 segments, 2 characters LED
Controls
SFX/1 pedal, COMP/2 pedal, DELAY/3 pedal, Expression pedal
Connectors
INPUT jack (1/4 inch phone type), AUX IN jack (Stereo miniature phone type), OUTPUT jacks L/MONO, R (1/4 inch phone type), PHONES jack (Stereo 1/4 inch phone type), FOOT SW jack (1/4 inch TRS phone type), AC Adaptor jack
Power Supply
DC 9 V: Dry battery LR6/R6 (AA) type x 6, AC Adaptor (PSA series: Optional)
Current Draw
90 mA * Expected battery life under continuous use: Alkaline: 13 hours, Carbon: 3.5 hours (These figures will vary depending on the actual conditions of use.)
Accessories
Owner's Manual, Dry battery LR6 (AA) type (alkaline) x 6, Roland Service (Information Sheet)
Options
AC Adaptor: PSA series, Footswitch: FS-6, FS-5U, Connection Cable: Roland PCS-31 (Stereo 1/4 inch phone plug - 1/4 inch phone plug x 2)
Size and Weight
Width
294 mm
11-5/8 inches
Depth
179 mm
7-1/16 inches
Height
54 mm
2-1/8 inches
Weight
1.6 kg
3 lbs. 9 oz.
(*) AF method (Adaptive Focus method) This is a proprietary method from Roland that vastly improves the signal-to-noise (S/N) ratio of the A/D and D/A converters
*The specifications are subject to change without notice.

Accessories

PSA-120S

Power Adapter

PSA-120S

Power Adapter

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Support

If you have questions about operating your BOSS product, please check our Knowledge Base for answers to the most common questions.

You can also contact our Product Support department by phone or email.

In addition, we have a library of Support Documents that you can download and reference. If Support Documents are available for this product, they will be listed below.

Support Documents

BOSS Product Catalog 2008
Forging the Future - Innovation for Creative Inspiration
BOSS forges into 2008 with an awe-inspiring lineup of effects, digital studios, and accessories.
BOSS Guitar Effects Guidebook
BOSS offers an extensive selection of guitar effects that can be used by guitarists to get any kind of sound you can imagine. Here's a quick reference guide to the type and function of each unit.
ME-20B TurboStart
ME-20 & ME-20B Brochure
BOSS Product Catalog 2012
BOSS Product Catalog 2011

Product Manuals

Owner’s Manual: ME-20B_OM.pdf