Hard to find, the legendary Sobbat FB-4. This Sobbat FB-4 is very user-friendly and provides a pleasant sound, ranging from overdrive to a sputtering FUZZ. The upper octaver and noise gate are incredibly useful. It shows signs of use, but functions perfectly. *Please understand that this is an old product. The FB-4 is a fuzz effect pedal equipped with an octave function. It has controls that allow for a wide variety of sounds. - Model: FB-4 - Type: Fuzz Effect Pedal - Features: Octave Function - Controls: Volume, Gate, Tone, Sustain - Connections: Input, Output, AC Adapter - LED Indicators: Operation LED (Red, Green) Thank you for looking.