BEHRINGER ROTARY MACHINE RM600 The ultimate Rotary Modeler that delivers the whole history of 3-dimensional rotary speaker effectsat the touch of a footswitch Real Sound Modeling (RSM) combines state-of-the-art DSP technology with sophisticated algorithms to emulate real acoustic environments Real Sound Modeling (RSM) combines state-of-the-art DSP technology with sophisticated algorithms to emulate real acoustic environments Experience the classic and swirling sounds of those famous signature rotary speakersall in one compact pedal Dedicated Model, Blend, Drive, Slow, Fast and Ramp controls for awesome sound shaping