Compact Pedal with Tons of Sound The compact (yet feature-laden) Vox StompLab IIB is perfect for musicians who want a ton of tones in a small space. Using the same sound engine as Vox' VT+ amps and ToneLab multi-effects units, the StompLab offers 100 gig-quality presets for any style of music. An intuitive and easy to navigate layout makes the StompLab IIB perfect for both seasoned pros and beginners.