Envelope Filters

The AF9 Auto Filter takes the most desirable auto-wah and swept filter effects and offers them up in a compact, user-friendly package. Opto-coupler circuitry produces the shimmering, watery filtering of legendary vintage units.

The Pigtronix Attack Sustain is a polyphonic amplitude-envelope synthesizer that provides volume swell with variable attack time, compression / sustain and variable decay with automatic reset.

At the heart of the Attack Sustain is a revolutionary, compression / sustain amplifier. When the Attack and Decay functions are switched off, the pedal creates a punchy yet smooth compression that allows your instrument to sustain as long as you want.

The EP-1 is an expressive, flexible, dynamic effect with a warm analog personality, versatile tone palette and a stage friendly interface.

Never before have all of TC's acclaimed modulation effects been packed into a single stompbox. With seven stellar effects including the brand new tri-chorus and through-zero-flanger, Nova Modulator gives you all the modulation effects you’ll ever need – and then some.

The new Xotic Robotalk 2 offers two individual envelope filter channels. Each channel isindependently voiced and can be preset for different playing style; slow acoustic-like attack,percussive, high speed open-close 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.

The Ringtone by Z.Vex Effects is the world's first dedicated sequenced ring modulator for guitar use.