The Behringer SF400 Super Flanger is a digital flanger pedal offering a wide range of flanging effects, from vintage to modern. Utilizing RSM digital signal processing, it provides Standard, Ultra, Gate/Pan, and Momentary modes, along with controls for Rate, Depth, Manual, and Resonance, and a Tap Tempo function. It delivers a clear and natural flanging effect. The SF400 comes in a compact box, and is powered by a 9V battery or PSU-SB DC power supply.