Boss MD-2

Mid-Priced
Metal Foot Pedal for Distortion
Extremely Versatile Dual-Distortion Circuit
Six Knobs
Level/Distortion/Gain Boost Knobs
Concentric Knob for EQ
Basic Tone Knob
Bottom Knob for Bass Frequencies
Input/Output for External Devices
9V-Battery or AC Power
Potential For Unwanted Noise