Guitar Pedal X - GPX Blog - 16 of the best Guitar Synth Pedals - 2019 Edition
Monster Mutilators: Vintage Guitar Synth Pedals - Premier Guitar
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!
10 Synth Pedals That Tear the Space-Time Continuum - Premier Guitar