Usb expression pedal

The Line 6 FBV Express MKII is a footswitch and pedal unit designed for use with guitar amps, allowing musicians to switch between different channels and effects without having to take their hands off their instrument.

The Line 6 FBV 3 Advanced Foot Controller lets you switch amp presets, tweak EQ and control effects with a single footstep, while its USB interface streams real‑time data for seamless integration into your studio workflow.