Xotic Robotalk 2

The Robotalk2 sports two individual envelope filter channels. Each channel is independently voiced and can be preset for different playing style. slow acousticlike attack, percussive, high speed openclose and many more. Blend each channel together for additional tone or use the internal dip switch to customize your sounds appropriately. There's a switchable input pad for accommodating both active and passive signals.

Envelope Filter with two seperate channels

analog

Channel A (louder and gainier than channel B for single notes and lead)

DECAY: Determines the length of decay time of envelope and the start freq