Boss SY-300 Guitar Synthesizer Effects Pedal

Code: SY300

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Send your guitar tone into outer space with the Boss SY300 Guitar Synthesizer Pedal!

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Price: £609.00
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Boss SY300 Guitar Synthesizer Pedal

Action packed and latency free, the Boss SY300 Guitar Synthesizer Pedal is an all new powerhouse of a pedal that allows you to take your guitar tones to uncharted territories.

Explore the insane variety of polyphonic analogue sounds that the SY300 brings to the table and colourize your tone like never before.

Key Features:

  • Plug into the standard 1/4-inch jack and play rich and expressive polyphonic synth tones with any guitar
  • Completely latency-free playing feel directly connects your hands with the sound
  • Three simultaneous synth sections and four effects processors enable rich, dynamic, and diverse sound creation
  • Shape your normal guitar tone with synth filters, amplifiers, and LFOs to create all-new sounds
  • Graphic LCD display, three assignable footswitches, and dedicated on/off footswitch
  • 70 ready-to-play preset patches and 99 user patches for storing custom sounds
  • Create and archive sounds on your computer with the BOSS Tone Studio editor/librarian and download new sounds at BOSS Tone Central
  • Works with bass and other electronic instruments as well



  • 3 modes
  • Standard
  • CE-1 Chorus
  • CE-1 Vibrato

Nominal Input Level

  • 20 dBu


  • 1 M ohm

Nominal Output Level

  • 20 dBu

Output Impedance

  • 1 k ohm

Recommended Load Impedance

  • 10 k ohms or greater

Buffered bypassControls

  • Pedal switch
  • Standard/CE-1 Mode switch
  • DEPTH knob


  • CHECK indicator (Serves also as battery check indicator)


  • INPUT jack: 1/4-inch phone type
  • OUTPUT A (MONO) jack: 1/4-inch phone type
  • OUTPUT B jack: 1/4-inch phone type
  • DC IN jack

Power Supply

  • Alkaline battery (9V, 6LR61) or Carbon-zinc battery (9V, 6F22)
  • AC adaptor (sold separately)

Current Draw

  • 25 mA


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