Digitech RP50 Effects pedal A super-hot, super-flexible modeler; effects processor; tuner; and drum machine at a jaw-dropping low price! Built around the AudioDNA® -- DigiTech's proprietary, incredibly powerful 24-bit guitar processing chip, the RP50 creates the most realistic amp and cabinet models you've ever heard. 11 amp models, cab and acoustic modeling, studio-quality effects including whammy, wah, chorus, phaser, tremolo, rotary speaker, delay, reverb, and much more. Built-in tuner features an arc array of 13 LEDs. There's even an onboard drum machine with 30 different patterns. Features: Realistic amp and cabinet models 11 amp models Cab and acoustic modeling Studio-quality effects: Whammy Wah Chorus Phaser Tremolo Rotary speaker Delay Reverb Built-in tuner features an arc array of 13 LEDs Onboard drum machine with 30 different patterns