The BP50 has the great tone and effects you expect from DigiTech, including award-winning amp and cabinet modeling plus an arsenal of studio- quality effects designed specifically for the bass. It uses the DigiTech AudioDNA? DSP chip to ensure that both modeling and effects are world-class. 24-bit A/D/A converters ensure accurate tonal reproduction between inputs and outputs. DigiTech even snuck in a drum machine with 30 patterns, adjustable tempo and an easy-to-use 13-LED-array tuner. Then they made sure that the BP50?s user interface was super simple to use. 11 Amp Models 5 Stompbox Models Cabinet Modeling 19 Effects (up to 8 at once) Fully Programmable 24-bit analog-to-digital converters Rhythm Trainer with 30 patterns Chromatic Tuner 40 User, 40 Factory Presets Effects Include : Amp and Cabinet Modeling Programmable 3-band EQ Digital Delay Analog Delay Ping Pong Delay 6 Reverbs Detune Pitch Shift Chorus Flanger Phaser Octavider Vibrato Synth Talk Silencer Gate Auto Swell Compression with variable crossover Envelope Filter Fretless Simulator Wah Whammy WARRANTY 1 year parts and labor.