Zoom G2.1u - Guitar Effects Pedal (USB + Exp Pedal) Features: 40 preset effects patches, 40 programmable memory patches 9 effect modules with 54 effect types 32-bit processing, 96kHz sampling rate 24-Bit A/D, D/A converters Built-in drum machine with 40 rhythm patterns Integrated chromatic tuner Sturdy metal chassis with rubber side-guard shells USB interface Bulit-in Expression Pedal Operates on 4 AA batteries, or the included AC power adapter Steinberg Cubase LE software bundled & Remote Patch Editor available