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Boss SD-1 Super Overdrive effects pedal for electric guitars.

The SD-1 produces the warm, smooth distortion of an overdriven tube amplifier while maintaining the subtle nuances of your picking technique.

BOSS's unique asymmetric overdrive circuitry delivers a genuine overdrive effect for a classic guitar sound. A tone control is also provided for precise tonal adjustment.

Boss SD1 super overdrive effects pedal features:

• Warm, smooth distortion.
• Unique symmetrical gain circuit.
• Level, Tone, and Gain controls

Boss  SD1 Super Overdrive effects pedal specifications:

• Input Impedance: 470 k ohms.
• Output Impedance: 10 k ohms or greater.
• Connectors: INPUT Jack, OUTPUT Jack, AC Adaptor Jack (DC 9 V).
• Power Supply DC 9 V: Dry Battery 9 V type (6F22/9 V), AC Adaptor.
• Current Draw: 6 mA (DC 9 V).
• Accessories: Dry Battery 9 V type (6F22/9 V).
• Option: AC Adaptor (PSA-Series).