The high-impedance FV-50H is designed to be connected before guitar effect units in the signal chain.The low-impedance FV-50L is a stereo volume pedal that can be used for a wide variety of purposes including keyboards.
Create "violin" effects on your guitar or bass using this rock-steady volume pedal from Boss. Designed specifically with a high impedance output to emulate the unbuffered output of a guitar. The FV50H is designed to be placed before other effects pedals in your pedal chain.