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Digitech RP55
Features
20 Studio Quality Effects, up to 8 at once
Built-in drum machine with 30 patterns
40 user, 40 Factory Presets
Built-in Chromatic Tuner
Expression pedal input for Whammy, Wah and Volume
Easy-to-read LED Display
Stereo Output doubles as headphone jack
Low-noise 24-Bit analog digial converters