The Boss SY-1 Synthesizer does some pretty bonkers stuff
22:24
Hidden features of the Boss SY-1
23:04
Boss SY-200: Worth the upgrade from SY-1?
29:52
BOSS SY-1 Synthesizer | ALL THE SOUNDS [NO TALK / ONLY TONES]
24:32
Boss SY-200 Guitar Synthesizer Pedal Demo
8:09
Boss SY-1 Synthesizer | No Blues Licks or Solos Included
18:17
BOSS SY-1 - Is it really that good?? [McRocklin playthrough]
32:56
THE BOSS OF SYNTH PEDALS? | Boss SY-1 Synthesizer
13:18