BOSS MD-500 Modulation effects pedal

Official product image

Image: BOSS / Roland Corporation · Source

BOSS

MD-500 Modulation

ModulationCurrent

Flagship 500 Series dual modulation processor.

Quick specs

Power
9 V
Current draw
225 mA
Dimensions (in)
6.75 × 5.44 × 2.50 in
Weight (lb)
2.25 lb
Bypass
Buffered or True bypass (relay)
Inputs
2× 1/4-inch phone Stereo
Outputs
2× 1/4-inch phone Stereo

Compare this pedal

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Controls

Not documented.

Power requirements

Voltage
9 V
Power type
DC
Current draw
225 mA
Battery operation
Yes
Battery type
AA alkaline LR6 x4

Dimensions & weight

Width
6.75 in
Depth
5.44 in
Height
2.50 in
Weight
2.25 lb

Connections

Inputs
2× 1/4-inch phone Stereo
Outputs
2× 1/4-inch phone Stereo

Features

Bypass
Buffered or True bypass (relay)
SKU
MD-500
Version
Current production

Documentation

Manufacturer page
Visit
Manual
Download
Specs verified
2026-09-23

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