This is a guitar preamp/multiFX processor designed specifically for acoustic/electric guitars. It boasts effects like chorus, delay, reverb, phase, flange, and pitch change with added benefits of EQ, gate, and compression. It has a list of factor presets for ease of use in starting up but you can custom program your own. Below is a list of the factory presets:01- Bright Detune/Delay Detune with 500ms Delay02- 12 String Hall Uncanny 12 String Simulation03- Classical Hall Standard Classical Guitar Sound11- Big Strum Used for open chord strumming12- Live Room Punchy EQ with a subtle room reverb13- Ping Pong Flange Flange with Left/Right Delay21- Chorus Slap Light Chorus with Slapback Delay22- Octave Down Pitch Shifted down an Octave for Bass notes23- Slide Lead Ideal for Open tuning slide playing31- Dry and Compressed Tightly compressed uneffected sound32- Cowboy Tremolo Western Ballad Vibrato effect33- Bright Light Chorus Light Chorus, with boosted High EQ41- Very "Mod"ern A very modulated Chorus42- Slow Sweep Wide-Slow Flange43- Deep Detune An extreme Detune, with Hall Reverb51- Detuned Delay Optimized for usage on muted chords52- Pschadelic An exaggerated Phaser with Delay53- Triplets Used to produce synchopated Apreggios61- Chord Swell Produces a Volume Pedal type effect62- Tremolo Swell A short volume swell attack pre-Tremolo63- 12 String Swell Synth swell type effect71- Mid Scoop Detune Modern Acoustic Patch72- Big Arena Large Reverb sound73- Chorus for Chords A subtle Chorus effect for rhythm81- New Phase Phaser with Delay82- Modern Classical Euphoric Reverb and Chorus patch83- Spacey Classical Phaser and Delay with a Large Hall Reverb91- Steel String Solo An ideal soloing patch with Chorus and Delay92- A Fifth Above The Input note is pitch-shifted a 5th above93- Chorus Bounce A Rich, Deep Chorus with Left/Right Delay