The Electro Harmonix Nano Small Stone carries all the tone of it's big brother in a tiny package. Featuring a control for speed and a color switch, the Electro Harmonix Nano Small Stone offers bountiful phase shifting tones in a space saving package.
The Electro Harmonix Stereo Polyphase is a phaser and an envelope follower in one pedal! Get lush and swirling phase tones or touch sensitive auto wah sounds! The Electro Harmonix Stereo Polyphase is true to the original design with a some new features.