Sewastopol II is a compact and high-performance interface module for connecting signals with the outside world of the modular. In addition to a simple send / return to an effect pedal, the information of the input sound can be converted into a gate signal or envelope and used for modulation. The envelope follower function and the external sound import function can also be used separately. 1/4 inch jacks for input and output are balanced. The gain range of the input section is very large and can be set up to + 20dB if the gain is increased by 60dB by setting the rear jumper. Input and use your favorite external synth, iOS device, microphone, etc.