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General| Type | Bass Multiple Effects |
|---|---|
| AD Conversion | 24-bit |
| DA Conversion | 24-bit |
| Sampling Frequency | 44.1 kHz |
| Nominal Output Level | -10 dBu |
| Output Impedance | 1 kΩ |
| Presets | 30 Preset Patches |
| Expression Pedal | Yes |
| Input Impedance | 1 MΩ |
| Display | 7-segment LED |
| Power Supply | DC 9V |
| Current Draw | 130 mA |
| Effects | Compressor, Delay, Reverb |
| Inputs | Input, Aux In |
| Outputs | Output, Headphones |
| Tuner | Chromatic Tuner |
| Nominal Input Level | -10 dBu |
Intuitive operation using dedicated knobs, similar to compact effects processors for direct tone changes.
Utilizes COSM technology for high-quality effects like Compressor/Limiter and Overdrive/Distortion.
Equipped with an expression pedal controlling six specialized pedal effects or volume.
Allows storage of up to 24 original tones for instant recall in memory mode.
Facilitates practice by allowing connection with CDs, MDs, and other audio inputs.
Offers flexible power options via six AA batteries or an optional AC adaptor.
Explains the meaning of WARNING and CAUTION notices to prevent injury and damage.
Details the meaning of warning symbols used in the manual for user safety.
Instructions on using batteries for power, including types and precautions.
Guidance on optimal positioning to avoid interference and ensure proper operation.
Recommendations for cleaning and preserving the unit's condition.
Information regarding data loss during repairs and Roland's liability.
Covers memory data loss, handling controls, and connecting cables safely.
Step-by-step guide for inserting batteries correctly into the unit.
Instructions on connecting the ME-50B to amplifiers, headphones, or other sound equipment.
How to adjust the overall output volume using the MASTER LEVEL knob.
Procedure for safely shutting down the unit and connected devices.
Diagram showing the optimal sequence for connecting different effects within the unit.
Selects the type of compressor/limiter effect from options like NATURAL, LIMITER, 160D SOFT/HARD, and D-COMP.
Adjusts the depth of the effect or sustain time depending on the selected TYPE.
Balances the volume level when the compressor/limiter is active.
Selects one of eleven different effects altering bass sound characteristics.
Alters wah effect based on input level, shifting frequencies higher, lower, or with stronger effect.
Adjusts sensitivity for filter alteration or direct sound volume.
Adjusts reference frequency for wah or tone of octave sound.
Adjusts wah effect amount or volume of octave sound.
Adds octave up or down sound to the input, creating a fatter/thicker tone.
Produces a volume-swell effect, simulating violin playing.
Adjusts the amount of defretter effect applied based on input sound.
Adjusts the tone of the defretter effect.
Adjusts the volume of the defretter sound.
Adjusts Enhancer sensitivity for softer playing.
Adjusts frequency at which enhancer is applied.
Adjusts the amount of enhanced sound added to the mix.
Adjusts the tone of the lower range.
Adjusts the tone of the upper range.
Adjusts the volume.
Models the Electro-Harmonix Big Muff π distortion pedal.
Provides a wild, radical distortion sound.
Applies distortion only to high-frequency sounds.
Creates a saw-wave synth-bass sound with slight filter motion.
A saw-wave synth-bass sound with a weak filter effect.
A saw-wave synth-bass sound with a strong filter effect.
A square-wave synth-bass sound.
Adjusts distortion or filtering amount depending on the selected TYPE.
Adjusts tone for distortion effects or cutoff frequency for synth effects.
Adjusts direct sound volume or harmonic component boost for synth effects.
Adjusts the volume of the sound.
Selects one of eleven different delay and modulation effects.
Tempo delay allowing setting delay time by tapping the pedal.
No effect or function for this knob with .TAP DLY.
Adjusts the amount of feedback (number of repeats).
Adjusts the volume of the delay sound.
Records up to 2.8 seconds of performance for repeated playback or overdubbing.
Adjusts the delay time for analog and digital delay effects.
Adjusts the amount of feedback (number of repeats).
Adjusts the volume of the delay sound.
Adjusts the rate of the phaser effect.
Adjusts the depth of the phaser effect.
Adjusts the amount of resonance.
Adjusts the rate of the flanging effect.
Adjusts the depth of the flanging effect.
Adjusts the amount of resonance.
Adjusts the rate of modulation.
Adjusts the depth of modulation.
Adjusts the volume of the chorus sound.
Adjusts the delay time.
Adjusts the amount of feedback (number of repeats).
Adjusts the volume of the delay sound.
Adjusts the reverb time.
Adjusts the tonal quality of the reverb sound.
Adjusts the volume of the reverb sound.
Adjusts the reverb time.
Adjusts the tonal quality of the reverb sound.
Adjusts the volume of the reverb sound.
Configures the expression pedal to control volume, decreasing as toe is raised.
Sets the expression pedal to control various effects like WAH, RESONANCE, OCTAVE, etc.
Functions as a pedal wah effect.
Enhances characteristic resonances of analog synth filters.
Raises the pitch up to one octave above the original sound.
Lowers the pitch up to one octave below the original sound.
Holds played bass sounds, allowing melodies in upper registers.
Plays a kick drum sound when the pedal is pressed, useful for rhythm or practice.
Adjusts the tone of the lower frequency range.
Adjusts the tone of the midrange frequency range.
Adjusts the center frequency for the MID knob.
Adjusts the tone of the upper frequency range.
Adjusts the overall volume.
Reduces noise and hum picked up by bass pickups without harming sound character.
Explains how to switch between Manual mode (panel settings) and Memory mode (stored patches).
Defines Patches as stored sets of settings for different tones and their organization into banks.
How to select and instantly recall patches by number within a bank.
Method for switching between the eight available banks of patches.
Temporary tone changes made via knobs are lost when switching patches or modes.
How to set tempo for delay/modulation effects using pedal input.
Details operation of the HOLD DLY function, including recording and playback.
Explains how to set delay time using tap input for the .TAP DLY effect.
Built-in chromatic auto-tuner for easy bass tuning without changing connections.
Connects an external foot switch to toggle the compressor/limiter effect.
Uses two foot switches for effect control and tempo setting synchronization.
Troubleshooting steps for issues with no sound or low volume output.
Checks for reasons why patches may not be changing.
Explains the display indicators for KICK DRUM sound selection.
Indicates that the batteries are depleted and need replacement.
