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BOSS SY-1 Synthesizer Pedal - GigGear
BOSS SYB-5 Bass Synthesiser — Pedal Empire
Boss unveils the IR-200 cab sim pedal and the SY-200 synth pedal
Guitar Pedal X - GPX Blog - Boss Delivers Monster New King of Guitar Synthesizers - the Polyphonic 3-Voice and 3-Engine, Twin Step Sequencer, 150+ Effects SY-1000
Boss SY-1 Synthesizer – Thomann UK
BOSS Unveils SY-1 Synthesizer Pedal - Synth and Software
Boss GM-800 Guitar & Bass Synthesizer Pedal - Andertons Music Co.
BOSS SY-200 Synthesiser Guitar Pedal
Boss SY-1 Guitar Synth Effects Pedal | PMT Online
GM-800 Guitar Synthesiser Pedal
Boss SY-1 Synthesizer Guitar Effects Pedal In Working Order | eBay
Boss SY-200 Polyphonic Guitar Synth Pedal | Bonners Music
BOSS SY-1 Synthesizer Pedal Demo - YouTube
Boss SY-200 Synth pedal - Finale Guitar
Boss GM-800 Synthesizer Pedal Guitar Bundle | GAK
BOSS SY-1 Synthesizer Pedal - Sims Music
Boss SY-1 Guitar Synthesizer Demo
BOSS SY-200 SYNTHESIZER EFFECTS PEDAL – Advanced BOSS Polyphonic Guitar Synth Technology in a Streamlined 200 Series Pedal for any Guitar or Bass – Full MIDI I/O – 128 Memories – 171