Vintage Overdrive:warm, smooth, delicate overload tone, although its distortion degree is not high, but the sound effect is good. Ultimate Drive: subtle changes in volume and complex harmonic Spaces,To create more dynamic margin, the LED indicator shows the working status Crunch Distortion: The classic old British rock distortion, the built-in pitch adjustment tone is more detailed, the touch and sound effect is excellent! US Dream: analog tube speaker, high gain distortion tone, tone expression enhanced dynamic reverberation Classic Chorus: chorus sound crisp and transparent, pure simulation effect sound full space shaping strong Vintage Phase: Reproduce the classic overload tone of the tube, round, warm and delicate sound effect Analog Chorus: Perfect interpretation of mixed chorus effect pure simulation, stronger sense of space, often used to play broken chords or string accompaniment Digital Delay: The sound delay time of the analog delay is closely reproduced and the dry-wet ratio is adjusted, The delay time is 25MS~600MS Tremolo: The use of phototube wiring, like the trill on the old tube speaker, is easy to use, and the built-in fine-tuning device can fine-tune the tone and vibration mode Analog Delay: create a similar echo effect sound color warm and full reverberation effect pure simulation tube delay effect Vintage Overdrive provides a warm, smooth, and delicate overload tone, although its distortion degree is not high, the sound effect is good. Ultimate Drive offers subtle changes in volume and complex harmonic spaces, and the LED indicator shows the working status to create more dynamic margin. Crunch Distortion delivers the classic old British rock distortion, with a built-in pitch adjustment tone that is more detailed, and an excellent touch and sound effect. US Dream features an analog tube speaker, high gain distortion tone, and enhanced dynamic reverberation for tone expression. Classic Chorus provides a crisp and transparent chorus sound, with a pure simulation effect that shapes a full space.