SVP2 Volume Pedal ABS molded cabinet Also, it is a very reliable and most common instrument for music player community Stranger SVP2 control the volume level for your musical instrument with this volume pedal Zero level setting control also it is most widely used for Keyboard and Octapad Stranger SVP2 Stereo Volume Pedal consist of 2 Input and 2 output (1/4 inch) socketBATTERY 2X (AA)