The BOSS FV-50L is light and compact stereo foot volume of low input impedance, therefore can be effectively used for a low impedance unit such as a keyboard or an effect, or between Pre-Amp and Power-Amp through the Effects Send-Return on a Tube Amp or Combo.
(The high-impedance FV-50H is designed to be directly connected with a high impedance unit such as a guitar before the pre-amp or normal input.)
The Minimum Volume allows you to set the lowest volume at any level you like, thereby freely set the minimum effect of the pedal depending on the type of performance you are aiming at.
Also, it features the Tuner Out Jack for quick and easy tuning during live performance. Convenient Tuner Out jack enables speedy tuning on stage. Connectors: Input x 2, Output x 2, Tuner Out.