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Boss SY-1 Guitar Synthesizer Pedal , $184.98 - Add to Cart Skip to Product Information

Boss SY-1 Guitar Synthesizer Pedal

Polyphonic Synthesizer Effects Pedal for Guitar and Bass, with Send/Return Loop, and Expression/Switch Input
Item ID: SY1
Boss SY-1 Guitar Synthesizer Pedal
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Boss SY-1 Guitar Synthesizer Pedal
In Stock!

$13.01 Price Drop!
Was:

Polyphonic Synth Pedal for Guitar and Bass

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Packing a huge range of synthesizer sounds into a compact, easy-to-use BOSS pedal format, the BOSS SY-1 Guitar Synthesizer pedal is loaded with creative potential. This polyphonic guitar synth doesn't require any extra hardware on your guitar, and you don't need to know anything about programming synth sounds to get the best out of it. Just plug your guitar or bass in, select from 121 vibrant sounds, and start exploring. Sounds range from classic analog tones to leads, basses, layered organs, sweeping pads, and even arpeggiated sequences. Complete with a parallel send/return loop to integrate with other effects, the BOSS SY-1 Guitar Synthesizer Pedal is a value-packed solution for generating synth sounds with your guitar or bass.

Over 100 synth sounds in a single pedal

121 sounds, to be precise. Select from 11 core synth types, like leads, pads, and bass, then select from 11 variations of that core synth sound. No special pickup system or other hardware is required, and the results are expressive and dynamic. Whether you're looking to highlight a specific song section, or are creating complete synth scores with your guitar, you'll be proud of the sounds you can create with the BOSS SY-1 guitar synth pedal.

Optimized for both guitar and bass

Guitarists and bassists alike can take advantage of the SY-1's synth sounds. You'll find a mode switch to optimize its pitch tracking for either guitar or bass — select the appropriate instrument, and you're ready to play. Using the blend control, you can mix your guitar or bass tone along with the synth tone.

Send/Return loop for routing flexibility

Adventurous musicians at Sweetwater appreciate the SY-1 pedal's send/return loop, which opens up a lot of creative possibilities. This loop can be mixed in parallel with the main synth output, allowing you to use other effects pedals to add another layer to your synth sound — try a slow phaser into a deep, fast tremolo to add a whole new element of movement and depth. Or you could use the send as a direct output, routing the synth sound to a different amplifier.

BOSS SY-1 Guitar Synthesizer Pedal Features:

  • Polyphonic synthesizer pedal for electric guitar and bass
  • 121 total sounds, featuring 11 synth types with 11 variations for each
  • Requires no special pickup or additional electronics
  • No perceptible latency to distract you from your performance
  • Hold function allows you to sustain a synth sound to play over
  • Blend your guitar and synth tones with independent volume controls
  • Parallel send/return loop for integrating effects pedals, or for use as a direct out to a separate amp
  • Additional control via expression pedal or footswitch (not included)

Warranty Info

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Offer applies only to single-receipt qualifying purchases. Select manufacturers may require that only the manufacturer’s products qualify towards the minimum purchase amount needed to be eligible for promotional financing. Otherwise, an invoice that meets the minimum purchase amount and contains at least one qualifying manufacturer product is eligible for promotional financing. No interest will be charged on promo purchase balance, and equal monthly payments are required on promo purchase until it is paid in full. The payments equal the amount financed divided by the number of months in the promo period, rounded up to the next whole dollar. These payments may be higher than the payments that would be required if this purchase was a non-promo purchase. During the last month(s) of the promo period the required monthly payment may be reduced due to the prior months’ rounding. Regular account terms apply to non-promo purchases. New Accounts as of 07/31/2025: Purchase APR is 34.99%. Penalty APR is 39.99%. Min Interest Charge is $2. Existing cardholders: See your credit card agreement terms. Subject to credit approval.

Offer applies only to single-receipt qualifying purchases. No interest will be charged on the promo balance if you pay it off, in full, within the promo period. If you do not, interest will be charged on the promo balance from the purchase date. The required minimum monthly payments may or may not pay off the promo balance before the end of the promo period, depending on purchase amount, promo length and payment allocation. Regular account terms apply to non-promo purchases and, after promo period ends, to the promo balance. New Accounts as of 07/31/2025: Purchase APR is 34.99%. Penalty APR is 39.99%. Min Interest Charge is $2. Existing cardholders: See your credit card agreement terms. Subject to credit approval.

The estimated required monthly payment shown which excludes taxes and delivery equals the amount financed divided by the number of months in the promo period, rounded up to the next cent. During the last month(s) of the promo period the required monthly payment may be reduced due to this rounding. These payments apply only with the financing offer shown. If you make these payments by the due date each month, you should pay off this amount financed within the promo period, if it is the only balance you are paying off. If you have other balances on your account, this payment will be added to any other minimum monthly payments.

Applies only to select items from this manufacturer. Ask your Sweetwater Sales Engineer for more details.