BOSS MD500 Modulation Effects Pedal

Studio-level sound with first-in-class 32-bit AD/DA, 32-bit floating point processing, and 96 kHz sampling rate
12 modes and 28 modulation types, all with deep editing parameters
Classic mod effects and BOSS originals, newly enhanced with cutting-edge technology
A/B Simul mode for using two patches at once, with your choice of series/parallel connection and mixed or split A/B output
Insert Loop function allows you to use mod effects before, after, or around drive pedals
Graphic LCD and intensive real-time control options
297 onboard patch memories and hands-on controls
Selectable buffered-bypass or true-bypass operation
MIDI I/O for interfacing with MIDI control devices
USB-MIDI for connecting to the MD-500 Editor/Librarian or a DAW
Runs on four AA-size batteries or PSA-series AC adapter