Boss SD1 Super OverDrive Pedal

• Overview
• Features
• Specification

• Genre-defining BOSS overdrive sound
• The unique asymmetrical clipping circuit produces tube-like overdrive characteristics
• Mild-to-moderate drive tones with a focused midrange and tight low end
• Ideal for use with clean and slightly driven amps
• Also works great for bringing tightness and definition to high-gain amp tones
• Stacks well with boost, overdrive, and distortion pedals
• BOSS five-year warranty

Nominal Input Level	-20 dBu
Input Impedance	1 M ohm
Nominal Output Level	-20 dBu
Output Impedance	1 k ohm
Recommended Load Impedance	10 k ohms or greater
Bypass	Buffered bypass
Controls	DRIVE knob TONE knob LEVEL knob Pedal switch
Indicator	CHECK indicator (Used for indication of check battery)
Connectors	INPUT jack: 1/4-inch phone type OUTPUT jack: 1/4-inch phone type DC IN jack
Power Supply	Carbon-zinc battery (9 V, 6F22) or Alkaline battery (9 V, 6LR61) AC adaptor (PSA series: sold separately)
Current Draw	10 mA
Expected battery life under continuous use	Carbon: Approx. 60 hours Alkaline: Approx. 90 hours *These figures will vary depending on the actual conditions of use.
Accessories	Leaflet ("USING THE UNIT SAFELY," "IMPORTANT NOTES," and "Information") Carbon-zinc battery (9 V, 6F22)
Options (sold separately)	AC adaptor: PSA series

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SIZE AND WEIGHT