Digitech RP250 DIGITECH RP250 MODELLING GUITAR MULTI-EFFECTS PROCESSOR WITH 89-MODELS, 54-EFFECTS, 60 FACTORY PRESETS, 2-IN/2-OUT USB INTERFACE With Tone and Effects Library knobs, the DigiTech RP250 is a very easy to use and very sophisiticated multi-effects guitar pedal. Select 1 of 30 tone presets from the Tone Library, pick 1 of 30 effects chains from the Effects Library, dial in your desired effects level, and you are ready to rock. Somewhere among the 89 total models and 54 effects models will be combinations that suit your playing style. Store up to 60 user presets in addition to the 60 onboard factory presets. Real-time control is provided by two footswitches, four buttons, four encoders, and an integral expression pedal. A 6-character LCD provides clear readouts in dark stage conditions. The RP250 adds a metal expression pedal and additional emulations and effects to the DigiTech RP150 multi-effects pedal. The DigiTech RP250 is based on DigiTech's propriatary AudioDNA2 processing chip, a super-processing engine that powers DigiTech's new generation of effects and models. From the same DSP design team that produced DigiTech's Artist Series Pedal, the AudioDNA2 processor has more DSP processing power which allows extremely detailed, accurate and realistic emulations of classic amps, cabinets and stompboxes. The DigiTech RP250 has a built-in 24-bit 2-In/ 2-Out 24-bit 44.1kHz USB interface allowing you to lay down tracks with your Mac or PC multitrack DAW software, edit presets, archiving, and dowloading. Or play back a mix or MP3 cut directly through your RP250 and jam along. USB connectivity provides preset editing using the included X-Edit editor librarian software for Mac and PC