• Killer Sound Quality - The Signal to Noise ratio is around 104 dB. • 8 Auto modes - Envelope follower, center & speed, speed(sine), speed(square), audio sweep trigger, random level trigger, rhythms and direct control • Tap Tempo with Ratios - Use tap tempo to set the phasers speed; the ratio selection makes fast tempos and triplet based phase times easy. • 2 / 3 / 4 Stages - Select 2, 4 or, an empress exclusive, 3 stages • 5 Rhythms - Rhythms let your phaser boldly go where no phaser has gone before • Ultimate Control - Control over width, speed, resonance, waveform, and number of stages. • 8 Waveforms - Phase through sine, triangle, asymmetric sine, swung sine, sawtooth, reverse sawtooh, square and step waveforms. • True Bypass - The Empress Phaser Pedal employs true bypass, so you can be sure that it's not affecting the signal when disengaged. • Gain - Set the output gain of the phaser to match your bypassed signal or use up to 6dB of boost to really drive your preamp • Small Size - The enclosure measures approximately 4.5" by 3.5" by 1.5", which is delightfully small when considering all the features packed into this unit. • Unsurpassed Connectivity - The Universal Control Port allows you to connect an expression pedal, external tap switch, control voltage, external audio input and MIDI all using a standard 1/4" jack! • True Display LEDs - Extremely responsive LEDs always let you know what the phaser is doing and help you adjust the sensitivity in the auto modes. • 45 Day Money Back Guarantee - If for any reason the Phaser isn't for you, send it back within 45 days for a refund. Read our Guarantee for more details. • Four Year Warranty - The Empress Phaser Pedal comes with a two-year warranty. Read our Warranty for details. You can extend the warranty to 4 years by simply registering online. • Great Value - The Empress Phaser Pedal is the last phaser you'll ever have to buy. It does everything a phaser can do and more! • The Empress Phaser Pedal runs on standard 9V negative tip DC power, but can safely accept up to 18V. It draws about 120mA.