Boss SD1 50th Anniversary Super Overdrive Pedal (SD1 B50A)


One of Boss' more subtle & smooth overdrive pedals

Features warm, smooth overdrive sounds that respond to your picking style just like a tube amp

  • Pro Overdrive Pedal
  • Responds to Your Picking
  • Smooth Overdrive Sounds
  • Boss 5-Year Warranty
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40 Years of the BOSS SD-1 Super Overdrive
Introduced in 1981, the SD-1 Super Overdrive is beloved by guitarists across genres. Learn its history from the roots of rock to today.

Product Description
To celebrate the 50th anniversary of Boss’ innovation of guitar gear and products, SD-1-B50A Super Overdrive 50th Anniversary pedal comes armed with that same great and famous overdrive tone in a custom, shiny chassis.

Legendary Circuitry, Legendary Sound
Just like the original SD-1 pedal, the 50th anniversary edition features the same circuit to give you that tube like gain response, giving you the ability to create a heavy distortion, and be able to control the amount of gain through the tone control to prevent muddying the sound.

A True Pedal Collectible
With only 7000 units made worldwide, the SD-1-B50A Super Overdrive is a true rare gem celebrating one of the most iconic pedal brands of all time. First up, there’s that stunning metallic finish, but it doesn’t end there. This stompbox is decorated with a silver thumb screw, gold-capped knobs, a commemorative emblem, and a dedicated 4-digit serial number. Bespoke packaging makes this the perfect piece for any pedal enthusiast’s collection.

Key features
Celebratory Limited Edition – Housed in a striking metallic yellow finish, the SD-1-B50A Super Overdrive is part of a run of only 7,000 units made to commemorate Boss’ 50th anniversary.
Legendary Circuitry – Featuring the same circuitry to create that incredible, versatile tone.
BOSS Build Quality – These stompboxes are famous for their tank-like construction, and the SD-1-B50A is no different. This limited-edition pedal is built to last.

The SD-1 Super OverDrive pedal produces the warm, natural distortion of an overdriven tube amplifier while maintaining the subtle nuances of a player’s picking technique. This is one of Boss’ more subtle and smooth overdrive pedals, perfect for blues and rock.

  • Compact overdrive pedal with warm, smooth overdriven sounds
  • Unique asymmetric overdrive circuitry for a classic, natural tube amp growl
  • Tone control provides precise adjustment of drive sound
  • Boss 5-year warranty


    Input Impedance
    470 k ohms
    Output Impedance
    10 k ohms or greater
    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)
    Dry Battery 9 V type (6F22/9 V)
    AC Adaptor (PSA-Series)
    Size and Weight ( incl. battery )
    73 mm
    2-7/8 inches
    129 mm
    5-1/8 inches
    59 mm
    2-3/8 inches
    0.4 kg
    0 lbs. 15 oz.