Boss SY-200 Guitar Synthesizer Pedal

The Boss SY-200 is an advanced BOSS polyphonic guitar synth technology in a streamlined 200 series pedal. It offers 12 analog-style synth categories with many variations in each (171 sounds total).

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SY-200Boss SY-200 Guitar Synthesizer Pedal

The Boss SY-200 is an advanced BOSS polyphonic guitar synth technology in a streamlined 200 series pedal. It offers 12 analog-style synth categories with many variations in each (171 sounds total).

Boss SY-200 offers A World of Synth Tones at Your Feet

Offering a universe of rich, analog-inspired polyphonic tones in a small footprint.  The SY-200 makes it simple to weave BOSS’s expressive guitar and bass synth technology into all of your musical journeys.

Building on the fun, instant-gratification experience of the acclaimed SY-1, this blue inspiration machine features an expanded sound set, more tone-shaping possibilities, and 128 memories for storing your sonic creations.

Two onboard footswitches provide deep real-time performance control, and you can take things even further with external

A Massive Library of Expressive Synth Tones

The SY-200 transforms both your guitar and bass into a versatile analog-flavoured synth, ready to infuse your music with dynamic, compelling, and evocative new voices.

This streamlined stomp gives you 171 total sounds organised in 12 intuitive categories, along with adjustable parameters for customising the tone and response.

And with 128 memory locations, you’re able to store your favourite sounds and instantly recall them while performing.

Build Custom Sounds Fast

With the SY-200’s informative display and hands-on controls, it’s quick and easy to call up sounds and balance the direct and synth levels. All the preset synth tones have been dialled in by the BOSS engineers to be inspiring and playable right away. But if you want to go deeper, you can tweak three different parameters for each sound via dedicated knobs.

Flexible Connectivity

The SY-200 smoothly integrates into your setup in a variety of ways. Just patch it in your chain like a regular pedal, or use the send and output jacks to route synth and straight guitar sounds to different destinations. And with the send/return loop and level knobs, it’s possible to craft unique hybrid sounds by blending one or more pedals in parallel with different synth voices.

Powerful Real-Time Control

The SY-200 provides a massive range of control options while taking up minimal space on your pedalboard. Two customizable footswitches offer multi-functional operation with press-and-hold functionality, allowing you to control synth on/off, memory scrolling, pitch bend, synth hold, and more.

Expanded control is possible via external footswitches or an expression pedal, and MIDI I/O is also available to interface with other MIDI-equipped pedals and devices like the ES-8 and ES-5 loop switchers.

Plug-and-Play and Latency-Free

You can also use the SY-200 with any guitar or bass. Just plug in with a standard 1/4-inch cable and start creating. Thanks to custom DSP and the latest BOSS innovations, you’ll enjoy the latency-free performance. So it is a natural extension of your instrument, letting you play freely without altering your normal technique in any way.

Supercharge Your Music with a Diverse Range of Boss SY-200 Sounds

The SY-200 is loaded with a large library of synthesizer tones. It allows you to inspire new ideas and bring fresh voices to your music.

  • LEAD—A wide range of sounds suitable for single-note soloing.
  • PAD—Full tones that work great with chords, from layered pads to synth brass and more.
  • STRING—Classic analog-style strings, including layered voices and sweeping textures.
  • BELL—Percussive synth sounds with metallic resonance.
  • ORGAN—A large selection of organ sounds, including many with rotary-style modulation.
  • BASS—Fat synth bass sounds, including filtered and sub-octave tones.
  • DUAL—Fat synth tones with stacked oscillators.
  • SWEEP—Dynamic sounds with expressive and engaging movement.
  • NOISE—Classic analog-style synth noise. Great for percussive sounds and dramatic effects.
  • SFX—A variety of synth sound effects, including explosive one-shot sounds, animated pitch/filter voices, and more.
  • SEQ—Pulsating sounds with rhythmic pitch or filter changes.
  • ARPEGGIO—Generate rhythmic arpeggios based on the notes you play.
  • Advanced BOSS polyphonic guitar synth technology in a streamlined 200 series pedal
  • 12 analog-style synth categories with many variations in each (171 sounds total)
  • Three adjustable parameters for customising sounds
  • 128 memories for saving and recalling sounds
  • Fast sound creation with hands-on controls and large display
  • No special pickup required—play rich, dynamic synth tones with any guitar or bass
  • Latency-free performance for unrestricted musical expression
  • Assignable Memory/CTL 1 switch for memory change, hold, pitch control, and more
  • Blend synth and normal guitar sounds with independent level controls
  • Parallel send/return loop for easy integration with other pedals on your board
  • Selectable modes for globally optimising the synth engine for guitar or bass
  • Supports extended control with up to two external foot switches or an expression pedal
  • Full MIDI I/O provided with space-saving 3.5 mm TRS jacks (connection cables available separately)
  • Micro USB jack for firmware updates
  • Runs on PSA-series AC adaptor or three AA-size batteries


Sampling Frequency: 44.1 kHz

AD/DA Conversion: 24 bits

Processing: 32-bit floating-point

Modes: 12 modes


Memory: 128

Nominal Input Level: INPUT, RETURN: -10 dBu

Maximum Input Level: INPUT, RETURN: +7 dBu

Input Impedance: INPUT, RETURN: 2 M ohms

Nominal Output Level: OUTPUT, SEND: -10 dBu

Maximum Output Level: OUTPUT, SEND: +7 dBu

Output Impedance: OUTPUT, SEND: 1 k ohm

Recommended Load Impedance: OUTPUT, SEND: 10 k ohms or greater

Bypass: Buffered bypass

Controls: ON/OFF switch, MEMORY/CTL 1 switch

TYPE knob, MEMORY knob, 1 knob, 2 knob, 3 knob, D. LEVEL knob, E. LEVEL knob, VARIATION knob

MENU button, EXIT button

Display: Graphic LCD (132 x 32 dots, backlit LCD)

Connectors: INPUT jack, OUTPUT jack, SEND jack, RETURN jack: 1/4-inch phone type

CTL 2, 3/EXP jack: 1/4-inch TRS phone type

MIDI (IN, OUT) jacks: Stereo miniature phone type

DC IN jack

USB port: USB micro B-type (program update only)

Power Supply: Alkaline battery (AA, LR6) x 3, AC adaptor (sold separately)

Current Draw: 230 mA

Expected Battery Life Under Continuous Use

Alkaline: Approx. 5 Hours

* These figures will vary depending on the actual conditions of use.



  • Owner’s Manual
  • Alkaline battery (AA, LR6) x 3
  • Rubber foot x 4



  • AC adaptor: PSA-S series
  • Footswitch: FS-5U
  • Dual footswitch: FS-6, FS-7
  • Expression pedal: FV-500H, FV-500L, EV-30, Roland EV-5
  • MIDI/TRS connecting cable: BMIDI-5-35, BMIDI-1-35, BMIDI-2-35, BCC-1-3535, BCC-2-3535



Width:101 mm 4 inches

Depth: 138 mm  5-7/16 inches

Height: 63 mm 2-1/2 inches

Height (including rubber foot): 65 mm 2-9/16 inches

Weight: 630 g 1 lb 7 oz

Weight (including battery): 700 g 1 lb 9 oz

For more information, please visit the manufacturer's website.