If you're looking for vintage tremolo with an extra kick the Electro Harmonix Stereo Pulsar Tremolo Pedal is for you. Choose between triangle or square wave or both. Then use the Shape control to change the rise and fall of the waveform.You can make it dead even or stagger it, however you like. There are also controls for Speed and Depth to adjust the overall effect as well. Here's the fun part, hook it up in stereo and get ready for some awesome panning effects. The Electro Harmonix Stereo Pulsar Tremolo Pedal is perfect for vintage trem, stereo panning, or just whacky fun.