Product Information: The Behringer 961 Interface features a two-channel design with a dual S-trig to V-trig converter. The Behringer Interface module is perfect for converting voltage triggers to switched triggers. It features a variable switch for controlling the delay for Column B V-trig inputs. It also features a large rotary knob for controlling the audio sensitivity for V-trig conversion. Product Features: Warranty period: Three (3) Years Authentic reproduction of the circuitry from the Modular 55" Series Artist roster includes worlds most famous pop, rock and jazz musicians Dual multichannel V-trig to S-trig converter Dual S-trig to V-trig converter Audio to V-trig converter Separate controls for setting length of S-trig out per V-trig input group Control for setting audio sensitivity for V-trig conversion Designed and engineered in the U.K. For more information and specifications, please refer to the manufacturers website