Studio Quality Effects at Your Feet Premier recording studios worldwide use Eventide on hit after hit. ModFactor features Eventide's 29 best modulation effects without compromising quality OR flexibility. Flexibility Built-In Plug-and-play expression pedal control of wet/dry mix or any combination of parameters. Control program changes and vary parameters continuously via MIDI. Supports instrument or line level inputs and outputs. Plays well with others; adapts seamlessly with a wide variety of amps and other foot pedals. Obsolescence is so 20th Century Easy to upgrade; download new software from the Internet and install via USB. Features ModFactor includes the following Eventide signature stereo or mono effects: Chorus (Four Types)Phaser (Five Types) Liquid Chorus Shimmer Chorus Organic Chorus Classic Chorus Negative Phaser Postive Phaser BiPhase Phaser Feedback Phaser PhaseX0 Phaser Wah (Four Types) WahWah Q-Wah Voc-Wah Q-Wah Bass Wah Bass Vocal Wah Flanger (Five Types) Positive Flanger Negative Flanger Jet Flanger Thru-o Flanger ModFilter (Three Types) Lowpass ModFilter HiPass ModFilter BandPass ModFilter Rotary (Two Types) Standard Rotary Giant Rotary Tremolo (Two Types) Bias Tremolo Opto Tremolo Vibrato (Three Types) Modern Vibrato Vintage Vibrato Retro Vibrato Undulator (Two Types) Pitch Undulator Feedback Undulator Ringmod (Two Types) Ring (DC) Ringmod String (AC) Ringmod Other Features Include: Studio quality sound Software upgradeable via USB 2.0 MIDI control via USB or MIDI in, out/thru Instant program change Real-time control with 10 knobs, MIDI, or expression pedal Tap tempo and MIDI clock sync/generate 100 factory presets, unlimited through MIDI True analog bypass Rugged cast metal construction Reliable metal footswitches for instant preset access Mono or stereo operation Guitar or line level inputs and outputs