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30 Preset Patches including delay,

BOSS’ Most modulation, reverb, compressor and more

Killer COSM® overdrive/distortion effects

including “Square” synth sound

Intuitive Multi- Dedicated knobs for each effect section—

no menus to navigate!

Tone Modify function offers Preset EQ

Effects Ever! settings for quick tone editing

Rugged metal case with clear panel layout

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The BOSS ME-50 gives guitarists easy knob-based

Killer Tone is Just access to killer effects like delay, modulation and
reverb— plus tons of incredible-sounding COSM
overdrive and distortion effects. A new metal
case provides road-proof durability, while three

a Stomp Away... footswitches and an assignable expression pedal

give players complete control over their tone. The
compact ME-50 can even run on batteries.

Tasty Overdrive Ultra-Smooth

and Distortion Modeling Modulation Effects Professional Delay
The ME-50’s 22 new COSM overdrive Fatten up your tone with silky smooth Dial in anything from doubling to longer
and distortion models serve up some of chorus and flanging effects, or take the rhythmic delay effects. The ME-50 can
the crunchiest overdriven sounds you ME-50’s amazing new Rotary effect for even do analog delay and panning
can imagine—perfect for use with your a spin. You’ll also find standards like delays. And with dedicated knobs for
favorite amp. There’s even a “Square” phasing, tremolo and BOSS’ killer delay time and feedback, you’re always
effect for cool synth-type sounds. Harmonist and Uni-V effects. in control.

Easy Tonal Shaping Dedicated Compressor and Noise Suppressor Pro-Quality Reverb
With the ME-50’s new Tone Use the compressor to smooth out Select from four types of reverb:
Modify effect, you can easily levels while eliminating hum and room, hall, spring reverb and a
change the overall tone of your pickup noise with the Noise “Mod” algorithm that adds a
guitar by selecting among Suppressor. Simple controls like touch of modulation for ultra-
preset EQ settings like “Fat”, Sustain and Threshold make it easy smooth reverb sounds.
“Presence” and “Acoustic.” to adjust both effects.
30 User Memories Convenient Tuning Capabilities Simplified Pedal Control
Using the footswitches and Bank The ME-50’s chromatic tuner uses an LED array to Thanks to the dedicated Pedal
Up/Down buttons, you can quickly show tuning accuracy and can even display the note Mode switch and knob, you can
select one of the ME-50’s name—perfect for tuning up on stage. quickly route the onboard
10 memory banks and switch expression pedal to one of six
between the Patches. effects like wah and pitch bend,
or use it as a volume pedal.

ME-50 SPECIFICATIONS
•AD Conversion: 24-bit + AF method (*) •DA Conversion: 24-bit •Sampling Frequency: 44.1 kHz •Patches: 30 (user) •Effects: Tone Modify, Compressor, Overdrive/Distortion, Chorus/Phaser/Flanger/Harmonist/Tremolo/
Pan/ Vibrato/UNI-V/Rotary, Delay, Reverb, Noise Suppressor, Effects for Expression Pedal: Foot Volume/ Wah/Resonance/Voice/Ring Modulator/Bend (+1 OCTAVE, -1 OCTAVE) •Nominal Input Level: INPUT: -10 dBu, AUX IN:
-10 dBu •Input Impedance: INPUT: 1 MΩ, AUX IN: 100 kΩ •Nominal Output Level: -10 dBu •Output Impedance: 2 kΩ •Power Supply: DC 9 V: Dry batteries (R6/LR6 (AA) type) x 6, AC Adaptor •Current Draw: 120 mA
*Expected battery life under continuous use: Carbon: 3.5 hours, Alkaline: 12 hours (These figures will vary depending on the actual conditions of use.) •Dimensions: 384 (W) x 225 (D) x 102 (H) mm (15-1/8 x 8-7/8 x 4-1/16
inches) •Weight (incl. batteries): 3.15 kg/7 lbs •Accessories: Owner’s Manual, Dry Batteries (Alkaline: LR6 (AA) type) x 6 •Options: AC Adaptor: BOSS PSA series, Foot Switch: BOSS FS-5U *0 dBu = 0.775 Vrms
(*) 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.

Once a musical instrument generates sound vibrations, it reaches the human ear through various mediating objects, each of which significantly affects the sound.
The material and configuration of the instrument, the electric/electronic/magnetic amplifying system, the air and the reverberation of the room all affect the final
sound. Sound modeling, the latest DSP technology, "virtually" reconstructs these objects. Roland's breakthrough Composite Object Sound Modeling (COSM) uses the
advantages of multiple modeling methods and succeeds in accurately emulating existing sounds, as well as producing sounds that have never before been created.

Roland Corporation U.S. All specifications and appearances are subject to change.
All trademarks used in this catalog are the property of their respective companies.
5100 S. Eastern Avenue, P.O.Box 910921,
Los Angeles, CA90091-0921
Phone: (323) 890-3700 Fax: (323) 890-3701
Printed in Japan Jan. 2003 RAM-3673 ERK-GEN-SE D-4