Since its release in 1981, the workhorse SD-1 Super Overdrive has been the core gain pedal for generations of players across every musical genre. The SD-1 delivers rich, smooth, and highly musical overdrive tones that continue to inspire guitarists everywhere.

-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 (These figures will vary depending on the actual conditions of use.)
Carbon: Approx. 60 hours
Alkaline: Approx. 90 hours

-Dimensions
73 (W) x 129 (D) x 59 (H) mm
2-7/8 (W) x 5-1/8 (D) x 2-3/8 (H) inches

-Weight (including battery)
360 g
13 oz

-Options (sold separately)
AC adaptor: PSA series