The Blackout Effectors Sibling is the little sister of the Whetstone Phaser with 3 simple controls and a slow/fast toggle. The all-analog Sibling uses an OTA circuit to sync the effect to your guitar signal.
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.