JAM Pedals RetroVibe Mk.4 Chorus Vibrato Effect PedalThe vibes are eternal, the vibes are immaculate with the JAM Pedals RetroVibe Mk. 4 chorus and vibrato! The RetroVibe, one of JAM Pedals' most coveted circuits and one of the most celebrated interpretations of the legendary Uni Vibe bar none, punches in in its fourth version with a familiar, intuitive modulation effect interface and expanded effect range. The vibes flow forever with the RetroVibe! Throwing it back to one of the foundational and most