The ultimate Flanger that delivers the whole history from vintage to modern flanging effects—at the touch of a footswitch. Real Sound Modeling (RSM) combines state-of-the-art DSP technology with sophisticated algorithms to emulate real acoustic environments. Experience any sounds from classic analog flangers to super-thick and swirling flanging sounds plus a new Gate/Pan mode. Dedicated Mode, Rate, Depth, Manual and Resonance controls for awesome sound shaping. Blue status LED for effect on/off and battery check. Runs on 9 V battery or the BEHRINGER PSU-SB DC power supply (not included). First-class electronic On/Off switch for highest signal integrity in bypass mode. High-quality components and exceptionally rugged construction ensure long life. Conceived and designed by BEHRINGER Germany.