The DigiTech BP80 Bass Multi-Effect Pedal is built around the AudioDNA DSP super chip. It features 11 award-winning amp models, 5 stompbox models, a fretless simulation, cab modeling, and 20 of the hottest bass effects (up to 8 at once), mean this floor unit can warp your sound in seemingly endless ways. Added to this is an expression pedal, 30 drum patterns with variable tempo, 24-bit A/D/A converters, an easy-to-use tuner, and 40 factory/40 user presets. Digitech includes a power supply with the BP80.