The BOSS FV-300L combines foot volume and expression pedal functions, providing optimal control for guitars and effects units. Accessories: Body only Product Description This is a low-impedance stereo foot volume pedal, ideal for connecting to low-output impedance devices such as effects unit outputs and keyboards. While there is a general feeling of use, such as small scratches, it can be used without any problems. You can adjust the minimum volume with a knob, which is useful when you want to make subtle volume changes or when you want to change the volume depending on the song during a live performance. Please purchase only if you understand that this is a used item. - Model: FV-300L - Type: Foot Volume/Expression - Output: OUTPUT 1, OUTPUT 2 (EXP 1, EXP 2) - Input: INPUT 1 - Tuner Output: TUNER OUT