Electro-Harmonix Nano Pulsar Variable Shape Stereo Pulsar Effects PedalThe Electro Harmonix Nano Pulsar Variable Shape Stereo Pulsar Effects Pedal takes tremolo beyond the ordinary and mundane. Equipped with a collection of tremolo modulating waveforms and the option of operating in Triangle or Square Wave modes, the Nano Pulsar is a tremolo panner treasure chest. Power packed with Effects This is a compact yet powerful tremolo or panner pedal packed with effects. Run it in mono or in stereo for a fully immersive tremolo