Powered by advanced BOSS technology, the BOSS MD-500 gives you an ultra-versatile modulation effects pedal. Offering nearly any type of modulation you could want as a musician, then more. Including 28 different algorithms with intensive programming parameters; giving you a nearly limitless sound palette to create with. Not to mention the class-defying 32 bit AD/DA, 32-bit floating-point processing, and 96 kHz sampling rate. So you’ll enjoy pristine sound quality beyond even the very best studio hardware. Onboard the MD-500 is a host of new effects designed with the latest in BOSS technology. As well as authentic sonic recreations of vintage classics such as the CE-1 Chorus Ensemble, Roland Dimension D, 70s’ script phaser, 80s’ tri-chorus, and numerous others.While maintaining the ability to use two patches at once with A/B Simul mode. Overall, the MD-500 is likely to cover all your mod needs using one convenient pedal. Plus, by inserting drive pedals in the MD-500’s flexible external loop, you can easily place mode effects before, after, or around your loop.