The classic DS-1 Distortion pedal provides a harder distortion effect for guitar and keyboard sounds. Instead of toneless, fuzzy distortion, the DS-1 faithfully reproduces all the subtle nuances of playing dynamics--at any volume.Classic BOSS Distortion tones for guitar and keyboard Reproduces dynamics of playing, from soft to hard Distortion, Level and Tone control to tailor overall sound as desired

Nominal Input Level : -20 dBu
Input Impedance: 470 ohms
Nominal Output Level: -20 dBu
Output Impedance: 1 k ohms
Equivalent Input Noise Level: -122 dBu (IHF-A, Typ.)
Connectors: INPUT Jack, OUTPUT Jack, AC Adaptor Jack (9 V DC)
Power Supply: 9 V DC: Dry Battery 9 V type, AC Adaptor
Current Draw: 4 mA (9 V DC)
Accessories: Dry Battery 9 V type (6F22/9 V)
Options:- AC Adaptor (PSA-Series)
Size and Weight ( incl. battery ):
Width 73 mm -2-7/8 inches
Depth 129 mm- 5-1/8 inches
Height- 59 mm-2-3/8 inches
Weight   0.4 kg - 0 lbs. -  15 oz.