Revol effects Revol Effects Effector Tremolo KNOCK TREMOLO ETR-01

Modulation effect that periodically controls volume increase/decrease From smooth tremolo sounds to fast techno-like sound waves, use the "SPEED" and "DEPTH" knobs to create Weight: 150g Size: 93.5mm (D) × 42mm (W) × 52mm (H) Due to design changes by the manufacturer, the external design and color may change without prior notice.