EarthQuaker Devices Hummingbird is, at heart, a hard and choppy tremolo. What comes out is more akin to vintage synth style oscillations. It's core is based on the old Vox Repeat Percussion with several updates to reduce noise and enhance the "chop". It can create strange ring mod-like tones, slow pulses, delay-like stutters, choppy tremolo and many more strange sounds!

Notes The Hummingbird has had a facelift inside and out. The new version has a faster "chop" rate that get's even further into ring mod territory and even octave down weirdness!

Controls:
Depth- Controls the amount of volume modulation from barely there to full signal chop.
Rate- Controls the speed of the LFO
Level- controls the input/output level
Mode- fast/slow switch for LFO rate

Features:
True Bypass with LED Indicator
Standard Boss-Style 9v adapter or battery operation (battery included)
High Quality parts throughout
Handmade with care in Akron, Ohio 

 http://www.music-blvd.com/