Building on the 20-year legacy of the famous BOSS BF-2, the new BF-3 Flanger pedal gives guitarists and bassists an updated version of the classic BOSS flanger with the thickest stereo flanging sounds ever. Two new modes (Ultra and Gate/Pan-) create stereo flanging with incredible depth-even Slicer-type effects and sounds that seem to swirl around the listener. An instant classic. Features: BOSS best flanging effects in a compact pedal New Ultra and Gate/Pan modes for ultra-fat flanging with very low noise Momentary mode turns flanging on instantly Tap tempo adjustable via pedal Independent Guitar and Bass inputs and stereo outputs BOSS 5-year warranty