Guitar Pedal X - GPX Blog - In the Wake of Boss's superbly successful SY-1 Synthesizer - Synth fans could really do with a SY-200 edition - with even more flavours and Presets!
Boss SY-1 Synthesizer – Thomann UK
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 Guitar Effects Pedal | Bonners Music