The Electro-Harmonix #1 Echo provides up to two seconds of delay with a warm, analog-style decay. Built for the needs of modern musicians, the #1 Echo adds a classic touch to any rig. This heavy-duty unit is housed in a rugged metal enclosure, perfect for any stage or studio setup. It includes a Blend knob, Delay Time knob, and Feedback control, allowing you to dial in a perfect amount of delay with just the right amount of vintage character. Add some classic delay to your recorded tracks or live sound with the #1 Echo.