Authentic emulations of three tube-driven tremolo effects, captured in a compact stompbox Perfectly captured tube preamp for fat, three-dimensional tremolo tones Three tremolo modes: Dharma (harmonic tremolo), 65 (round, sine wave), and Square (choppier, square wave) Onboard tap tempo for syncing trem effects Volume control and true/buffered bypass Three flavors of authentic tube tremolo, at your feet. Timeless UA design and craftsmanship, built for decades of dependable performance